164315403 has 12 divisors (see below), whose sum is σ = 271250928. Its totient is φ = 93894480.

The previous prime is 164315383. The next prime is 164315441. The reversal of 164315403 is 304513461.

164315403 is a `hidden beast` number, since 1 + 643 + 15 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 164315403 - 2⁸ = 164315147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164315443) 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, 1304028 + ... + 1304153.

It is an arithmetic number, because the mean of its divisors is an integer number (22604244).

Almost surely, 2^164315403 is an apocalyptic number.

164315403 is a deficient number, since it is larger than the sum of its proper divisors (106935525).

164315403 is a wasteful number, since it uses less digits than its factorization.

164315403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608194 (or 2608191 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 164315403 is about 12818.5569780689. The cubic root of 164315403 is about 547.7210416659.

Adding to 164315403 its reverse (304513461), we get a palindrome (468828864).

The spelling of 164315403 in words is "one hundred sixty-four million, three hundred fifteen thousand, four hundred three".