164320492 has 24 divisors (see below), whose sum is σ = 328934144. Its totient is φ = 70360272.

The previous prime is 164320459. The next prime is 164320517. The reversal of 164320492 is 294023461.

It is a happy number.

It is a super-2 number, since 2×164320492² = 54002448182244128, which contains 22 as substring.

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, 43753 + ... + 47359.

Almost surely, 2^164320492 is an apocalyptic number.

It is an amenable number.

164320492 is an abundant number, since it is smaller than the sum of its proper divisors (164613652).

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

164320492 is a wasteful number, since it uses less digits than its factorization.

164320492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5245 (or 5243 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 164320492 is about 12818.7554778145. The cubic root of 164320492 is about 547.7266960833.

The spelling of 164320492 in words is "one hundred sixty-four million, three hundred twenty thousand, four hundred ninety-two".