164899123206 has 16 divisors (see below), whose sum is σ = 330716908800. Its totient is φ = 54813264008.

The previous prime is 164899123163. The next prime is 164899123219. The reversal of 164899123206 is 602321998461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38275266 + ... + 38279573.

It is an arithmetic number, because the mean of its divisors is an integer number (20669806800).

Almost surely, 2^164899123206 is an apocalyptic number.

164899123206 is an abundant number, since it is smaller than the sum of its proper divisors (165817785594).

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

164899123206 is a wasteful number, since it uses less digits than its factorization.

164899123206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76555203.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 164899123206 in words is "one hundred sixty-four billion, eight hundred ninety-nine million, one hundred twenty-three thousand, two hundred six".