164957736 has 32 divisors (see below), whose sum is σ = 412941600. Its totient is φ = 54912960.

The previous prime is 164957731. The next prime is 164957747. The reversal of 164957736 is 637759461.

It is a happy number.

It is a super-2 number, since 2×164957736² = 54422109332491392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (164957731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15751 + ... + 24041.

It is an arithmetic number, because the mean of its divisors is an integer number (12904425).

Almost surely, 2^164957736 is an apocalyptic number.

It is an amenable number.

164957736 is an abundant number, since it is smaller than the sum of its proper divisors (247983864).

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

164957736 is a wasteful number, since it uses less digits than its factorization.

164957736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9129 (or 9125 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 164957736 is about 12843.5873493351. The cubic root of 164957736 is about 548.4338209687.

The spelling of 164957736 in words is "one hundred sixty-four million, nine hundred fifty-seven thousand, seven hundred thirty-six".