16200979728 has 40 divisors (see below), whose sum is σ = 41858758368. Its totient is φ = 5399523072.

The previous prime is 16200979721. The next prime is 16200979757. The reversal of 16200979728 is 82797900261.

It is not an unprimeable number, because it can be changed into a prime (16200979721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362551 + ... + 404777.

Almost surely, 2^16200979728 is an apocalyptic number.

It is an amenable number.

16200979728 is an abundant number, since it is smaller than the sum of its proper divisors (25657778640).

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

16200979728 is a wasteful number, since it uses less digits than its factorization.

16200979728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50231 (or 50225 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 16200979728 in words is "sixteen billion, two hundred million, nine hundred seventy-nine thousand, seven hundred twenty-eight".