16263768264 has 16 divisors (see below), whose sum is σ = 40659420720. Its totient is φ = 5421256080.

The previous prime is 16263768259. The next prime is 16263768271. The reversal of 16263768264 is 46286736261.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338828482 + ... + 338828529.

It is an arithmetic number, because the mean of its divisors is an integer number (2541213795).

Almost surely, 2^16263768264 is an apocalyptic number.

It is an amenable number.

16263768264 is an abundant number, since it is smaller than the sum of its proper divisors (24395652456).

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

16263768264 is a wasteful number, since it uses less digits than its factorization.

16263768264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677657020 (or 677657016 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 51.

The spelling of 16263768264 in words is "sixteen billion, two hundred sixty-three million, seven hundred sixty-eight thousand, two hundred sixty-four".