164635475 has 12 divisors (see below), whose sum is σ = 214893240. Its totient is φ = 124776000.

The previous prime is 164635469. The next prime is 164635477. The reversal of 164635475 is 574536461.

It is not a de Polignac number, because 164635475 - 2⁶ = 164635411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164635477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172826 + ... + 173775.

It is an arithmetic number, because the mean of its divisors is an integer number (17907770).

Almost surely, 2^164635475 is an apocalyptic number.

164635475 is a deficient number, since it is larger than the sum of its proper divisors (50257765).

164635475 is a wasteful number, since it uses less digits than its factorization.

164635475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346630 (or 346625 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 164635475 is about 12831.0356168160. The cubic root of 164635475 is about 548.0764485226.

The spelling of 164635475 in words is "one hundred sixty-four million, six hundred thirty-five thousand, four hundred seventy-five".