164996664 has 64 divisors (see below), whose sum is σ = 491927040. Its totient is φ = 45091200.

The previous prime is 164996659. The next prime is 164996681. The reversal of 164996664 is 466699461.

164996664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164996664² = 54447798262257792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17487 + ... + 25214.

It is an arithmetic number, because the mean of its divisors is an integer number (7686360).

Almost surely, 2^164996664 is an apocalyptic number.

164996664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

164996664 is an abundant number, since it is smaller than the sum of its proper divisors (326930376).

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

164996664 is a wasteful number, since it uses less digits than its factorization.

164996664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42740 (or 42736 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 51.

The square root of 164996664 is about 12845.1027243849. The cubic root of 164996664 is about 548.4769587911.

The spelling of 164996664 in words is "one hundred sixty-four million, nine hundred ninety-six thousand, six hundred sixty-four".