16452372972 has 48 divisors (see below), whose sum is σ = 45780521472. Its totient is φ = 4496300160.

The previous prime is 16452372919. The next prime is 16452372977. The reversal of 16452372972 is 27927325461.

It is a super-2 number, since 2×16452372972² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16452372977) 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, 4255929 + ... + 4259792.

It is an arithmetic number, because the mean of its divisors is an integer number (953760864).

Almost surely, 2^16452372972 is an apocalyptic number.

16452372972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16452372972 is an abundant number, since it is smaller than the sum of its proper divisors (29328148500).

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

16452372972 is a wasteful number, since it uses less digits than its factorization.

16452372972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8515758 (or 8515756 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The spelling of 16452372972 in words is "sixteen billion, four hundred fifty-two million, three hundred seventy-two thousand, nine hundred seventy-two".