264164016639 has 16 divisors (see below), whose sum is σ = 357514482560. Its totient is φ = 173462018400.

The previous prime is 264164016553. The next prime is 264164016679. The reversal of 264164016639 is 936610461462.

It is not a de Polignac number, because 264164016639 - 2⁷ = 264164016511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264164016679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1923732 + ... + 2056470.

It is an arithmetic number, because the mean of its divisors is an integer number (22344655160).

Almost surely, 2^264164016639 is an apocalyptic number.

264164016639 is a deficient number, since it is larger than the sum of its proper divisors (93350465921).

264164016639 is a wasteful number, since it uses less digits than its factorization.

264164016639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142710.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 264164016639 in words is "two hundred sixty-four billion, one hundred sixty-four million, sixteen thousand, six hundred thirty-nine".