16011322872 has 64 divisors (see below), whose sum is σ = 41131929600. Its totient is φ = 5190111360.

The previous prime is 16011322861. The next prime is 16011322889. The reversal of 16011322872 is 27822311061.

It is a super-2 number, since 2×16011322872² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 2297329 + ... + 2304287.

It is an arithmetic number, because the mean of its divisors is an integer number (642686400).

Almost surely, 2^16011322872 is an apocalyptic number.

16011322872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16011322872 is an abundant number, since it is smaller than the sum of its proper divisors (25120606728).

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

16011322872 is a wasteful number, since it uses less digits than its factorization.

16011322872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9596 (or 9592 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 16011322872 in words is "sixteen billion, eleven million, three hundred twenty-two thousand, eight hundred seventy-two".