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164651360 = 2551795749
BaseRepresentation
bin10011101000001…
…10000101100000
3102110211011012112
421310012011200
5314122320420
624201014452
74036341056
oct1164060540
9373734175
10164651360
1184a3a005
1247184428
132815b953
1417c201d6
15e6c58c5
hex9d06160

164651360 has 48 divisors (see below), whose sum is σ = 391230000. Its totient is φ = 65481216.

The previous prime is 164651351. The next prime is 164651363. The reversal of 164651360 is 63156461.

It is a super-2 number, since 2×1646513602 = 54220140699699200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164651363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25766 + ... + 31514.

It is an arithmetic number, because the mean of its divisors is an integer number (8150625).

Almost surely, 2164651360 is an apocalyptic number.

164651360 is a gapful number since it is divisible by the number (10) 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 164651360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195615000).

164651360 is an abundant number, since it is smaller than the sum of its proper divisors (226578640).

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

164651360 is a wasteful number, since it uses less digits than its factorization.

164651360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943 (or 5935 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 164651360 is about 12831.6546088180. The cubic root of 164651360 is about 548.0940751700.

The spelling of 164651360 in words is "one hundred sixty-four million, six hundred fifty-one thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 179 358 716 895 1432 1790 2864 3580 5728 5749 7160 11498 14320 22996 28640 28745 45992 57490 91984 114980 183968 229960 459920 919840 1029071 2058142 4116284 5145355 8232568 10290710 16465136 20581420 32930272 41162840 82325680 164651360