164860816 has 20 divisors (see below), whose sum is σ = 320698224. Its totient is φ = 82100000.

The previous prime is 164860799. The next prime is 164860823. The reversal of 164860816 is 618068461.

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 3 ways as a sum of consecutive naturals, for example, 16510 + ... + 24541.

Almost surely, 2^164860816 is an apocalyptic number.

164860816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164860816 is a deficient number, since it is larger than the sum of its proper divisors (155837408).

164860816 is a wasteful number, since it uses less digits than its factorization.

164860816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41310 (or 41304 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 164860816 is about 12839.8137058136. The cubic root of 164860816 is about 548.3263901791.

The spelling of 164860816 in words is "one hundred sixty-four million, eight hundred sixty thousand, eight hundred sixteen".