164671930 has 32 divisors (see below), whose sum is σ = 303777216. Its totient is φ = 64251264.

The previous prime is 164671921. The next prime is 164671937. The reversal of 164671930 is 39176461.

164671930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 164671930.

It is not an unprimeable number, because it can be changed into a prime (164671937) 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, 70542 + ... + 72838.

It is an arithmetic number, because the mean of its divisors is an integer number (9493038).

Almost surely, 2^164671930 is an apocalyptic number.

164671930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164671930 is a deficient number, since it is larger than the sum of its proper divisors (139105286).

164671930 is a wasteful number, since it uses less digits than its factorization.

164671930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 164671930 is about 12832.4561172053. The cubic root of 164671930 is about 548.1168988010.

The spelling of 164671930 in words is "one hundred sixty-four million, six hundred seventy-one thousand, nine hundred thirty".