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164048884992 = 2832152346751
BaseRepresentation
bin1001100011001000010…
…0110101010100000000
3120200102211220211001100
42120302010311110000
510141433003304432
6203210224534400
714565166341426
oct2306204652400
9520384824040
10164048884992
1163633356403
1227963781400
1312615046065
147d23551116
15440216c07c
hex2632135500

164048884992 has 108 divisors (see below), whose sum is σ = 473314068864. Its totient is φ = 54645888000.

The previous prime is 164048884957. The next prime is 164048885041. The reversal of 164048884992 is 299488840461.

164048884992 is a `hidden beast` number, since 1 + 64 + 0 + 4 + 8 + 88 + 499 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3485617 + ... + 3532367.

Almost surely, 2164048884992 is an apocalyptic number.

164048884992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164048884992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236657034432).

164048884992 is an abundant number, since it is smaller than the sum of its proper divisors (309265183872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164048884992 is a wasteful number, since it uses less digits than its factorization.

164048884992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48296 (or 48279 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 63.

The spelling of 164048884992 in words is "one hundred sixty-four billion, forty-eight million, eight hundred eighty-four thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 768 1152 1523 2304 3046 4569 6092 9138 12184 13707 18276 24368 27414 36552 46751 48736 54828 73104 93502 97472 109656 140253 146208 187004 194944 219312 280506 292416 374008 389888 420759 438624 561012 584832 748016 841518 877248 1122024 1169664 1496032 1683036 1754496 2244048 2992064 3366072 3508992 4488096 5984128 6732144 8976192 11968256 13464288 17952384 26928576 35904768 53857152 71201773 107714304 142403546 213605319 284807092 427210638 569614184 640815957 854421276 1139228368 1281631914 1708842552 2278456736 2563263828 3417685104 4556913472 5126527656 6835370208 9113826944 10253055312 13670740416 18227653888 20506110624 27341480832 41012221248 54682961664 82024442496 164048884992