16372638396 has 36 divisors (see below), whose sum is σ = 41505009000. Its totient is φ = 5441904288.

The previous prime is 16372638383. The next prime is 16372638407. The reversal of 16372638396 is 69383627361.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639006 + ... + 664133.

Almost surely, 2^16372638396 is an apocalyptic number.

It is an amenable number.

16372638396 is an abundant number, since it is smaller than the sum of its proper divisors (25132370604).

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

16372638396 is a wasteful number, since it uses less digits than its factorization.

16372638396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303498 (or 1303493 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The spelling of 16372638396 in words is "sixteen billion, three hundred seventy-two million, six hundred thirty-eight thousand, three hundred ninety-six".