16207420188 has 24 divisors (see below), whose sum is σ = 37950951808. Its totient is φ = 5383382256.

The previous prime is 16207420139. The next prime is 16207420247. The reversal of 16207420188 is 88102470261.

It is a happy number.

It is a congruent number.

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, 2382856 + ... + 2389647.

Almost surely, 2^16207420188 is an apocalyptic number.

It is an amenable number.

16207420188 is an abundant number, since it is smaller than the sum of its proper divisors (21743531620).

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

16207420188 is a wasteful number, since it uses less digits than its factorization.

16207420188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772793 (or 4772791 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 16207420188 in words is "sixteen billion, two hundred seven million, four hundred twenty thousand, one hundred eighty-eight".