164268779754 has 32 divisors (see below), whose sum is σ = 335492498880. Its totient is φ = 53604806400.

The previous prime is 164268779743. The next prime is 164268779791. The reversal of 164268779754 is 457977862461.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877417 + ... + 1048044.

It is an arithmetic number, because the mean of its divisors is an integer number (10484140590).

Almost surely, 2^164268779754 is an apocalyptic number.

164268779754 is an abundant number, since it is smaller than the sum of its proper divisors (171223719126).

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

164268779754 is a wasteful number, since it uses less digits than its factorization.

164268779754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925766.

The product of its digits is 142248960, while the sum is 66.

The spelling of 164268779754 in words is "one hundred sixty-four billion, two hundred sixty-eight million, seven hundred seventy-nine thousand, seven hundred fifty-four".