164518856 has 32 divisors (see below), whose sum is σ = 319923000. Its totient is φ = 79220736.

The previous prime is 164518787. The next prime is 164518897. The reversal of 164518856 is 658815461.

It can be written as a sum of positive squares in 4 ways, for example, as 149572900 + 14945956 = 12230^2 + 3866^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133250 + ... + 134478.

Almost surely, 2^164518856 is an apocalyptic number.

It is an amenable number.

164518856 is a deficient number, since it is larger than the sum of its proper divisors (155404144).

164518856 is a wasteful number, since it uses less digits than its factorization.

164518856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1837 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The square root of 164518856 is about 12826.4904007293. The cubic root of 164518856 is about 547.9470085687.

The spelling of 164518856 in words is "one hundred sixty-four million, five hundred eighteen thousand, eight hundred fifty-six".