164574963 has 32 divisors (see below), whose sum is σ = 279244800. Its totient is φ = 93840768.

The previous prime is 164574931. The next prime is 164575049. The reversal of 164574963 is 369475461.

164574963 is a `hidden beast` number, since 16 + 4 + 574 + 9 + 63 = 666.

It is not a de Polignac number, because 164574963 - 2⁵ = 164574931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164574763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162603 + ... + 163611.

It is an arithmetic number, because the mean of its divisors is an integer number (8726400).

Almost surely, 2^164574963 is an apocalyptic number.

164574963 is a deficient number, since it is larger than the sum of its proper divisors (114669837).

164574963 is a wasteful number, since it uses less digits than its factorization.

164574963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888 (or 1882 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 164574963 is about 12828.6773675231. The cubic root of 164574963 is about 548.0092915380.

The spelling of 164574963 in words is "one hundred sixty-four million, five hundred seventy-four thousand, nine hundred sixty-three".