164537930 has 32 divisors (see below), whose sum is σ = 302132160. Its totient is φ = 64500480.

The previous prime is 164537911. The next prime is 164537939. The reversal of 164537930 is 39735461.

It is a happy number.

164537930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (164537939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160961 + ... + 161979.

It is an arithmetic number, because the mean of its divisors is an integer number (9441630).

Almost surely, 2^164537930 is an apocalyptic number.

164537930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164537930 is a deficient number, since it is larger than the sum of its proper divisors (137594230).

164537930 is a wasteful number, since it uses less digits than its factorization.

164537930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 164537930 is about 12827.2339185032. The cubic root of 164537930 is about 547.9681837248.

The spelling of 164537930 in words is "one hundred sixty-four million, five hundred thirty-seven thousand, nine hundred thirty".