164215707504 has 40 divisors (see below), whose sum is σ = 424239608832. Its totient is φ = 54736543680.

The previous prime is 164215707451. The next prime is 164215707553. The reversal of 164215707504 is 405707512461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1833199 + ... + 1920689.

Almost surely, 2^164215707504 is an apocalyptic number.

It is an amenable number.

164215707504 is an abundant number, since it is smaller than the sum of its proper divisors (260023901328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164215707504 is a wasteful number, since it uses less digits than its factorization.

164215707504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126605 (or 126599 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 164215707504 in words is "one hundred sixty-four billion, two hundred fifteen million, seven hundred seven thousand, five hundred four".