16800812272 has 20 divisors (see below), whose sum is σ = 33085208056. Its totient is φ = 8262694080.

The previous prime is 16800812243. The next prime is 16800812299. The reversal of 16800812272 is 27221800861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8605998 + ... + 8607949.

Almost surely, 2^16800812272 is an apocalyptic number.

It is an amenable number.

16800812272 is a deficient number, since it is larger than the sum of its proper divisors (16284395784).

16800812272 is a wasteful number, since it uses less digits than its factorization.

16800812272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17214016 (or 17214010 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 16800812272 in words is "sixteen billion, eight hundred million, eight hundred twelve thousand, two hundred seventy-two".