164259559504 has 30 divisors (see below), whose sum is σ = 323495093166. Its totient is φ = 80777162880.

The previous prime is 164259559501. The next prime is 164259559507. The reversal of 164259559504 is 405955952461.

It is an interprime number because it is at equal distance from previous prime (164259559501) and next prime (164259559507).

It can be written as a sum of positive squares in 3 ways, for example, as 57427329600 + 106832229904 = 239640^2 + 326852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164259559501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12655162 + ... + 12668134.

Almost surely, 2^164259559504 is an apocalyptic number.

It is an amenable number.

164259559504 is a deficient number, since it is larger than the sum of its proper divisors (159235533662).

164259559504 is an frugal number, since it uses more digits than its factorization.

164259559504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26015 (or 13036 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 55.

The spelling of 164259559504 in words is "one hundred sixty-four billion, two hundred fifty-nine million, five hundred fifty-nine thousand, five hundred four".