16372645546620 has 144 divisors (see below), whose sum is σ = 53353971052704. Its totient is φ = 3735648153600.

The previous prime is 16372645546619. The next prime is 16372645546627. The reversal of 16372645546620 is 2664554627361.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16372645546627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66205561 + ... + 66452400.

It is an arithmetic number, because the mean of its divisors is an integer number (370513687866).

Almost surely, 2^{16372645546620} is an apocalyptic number.

16372645546620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16372645546620 is an abundant number, since it is smaller than the sum of its proper divisors (36981325506084).

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

16372645546620 is a wasteful number, since it uses less digits than its factorization.

16372645546620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132658012 (or 132657999 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 57.

The spelling of 16372645546620 in words is "sixteen trillion, three hundred seventy-two billion, six hundred forty-five million, five hundred forty-six thousand, six hundred twenty".