16268723844 has 24 divisors (see below), whose sum is σ = 38013171840. Its totient is φ = 5415362784.

The previous prime is 16268723803. The next prime is 16268723899. The reversal of 16268723844 is 44832786261.

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, 934159 + ... + 951414.

It is an arithmetic number, because the mean of its divisors is an integer number (1583882160).

Almost surely, 2^16268723844 is an apocalyptic number.

It is an amenable number.

16268723844 is an abundant number, since it is smaller than the sum of its proper divisors (21744447996).

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

16268723844 is a wasteful number, since it uses less digits than its factorization.

16268723844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886299 (or 1886297 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The spelling of 16268723844 in words is "sixteen billion, two hundred sixty-eight million, seven hundred twenty-three thousand, eight hundred forty-four".