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160670664 = 233271173397
BaseRepresentation
bin10011001001110…
…10001111001000
3102012022220201100
421210322033020
5312112430124
623535421400
73660451410
oct1144721710
9365286640
10160670664
1182770280
1245984860
1327396acb
14174a5640
15e18b1c9
hex993a3c8

160670664 has 192 divisors, whose sum is σ = 551341440. Its totient is φ = 41057280.

The previous prime is 160670659. The next prime is 160670683. The reversal of 160670664 is 466076061.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 404514 + ... + 404910.

It is an arithmetic number, because the mean of its divisors is an integer number (2871570).

Almost surely, 2160670664 is an apocalyptic number.

160670664 is a gapful number since it is divisible by the number (14) 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 160670664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275670720).

160670664 is an abundant number, since it is smaller than the sum of its proper divisors (390670776).

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

160670664 is a wasteful number, since it uses less digits than its factorization.

160670664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 160670664 is about 12675.5932405549. The cubic root of 160670664 is about 543.6409918619.

The spelling of 160670664 in words is "one hundred sixty million, six hundred seventy thousand, six hundred sixty-four".