16536669928 has 16 divisors (see below), whose sum is σ = 31076892000. Its totient is φ = 8249498736.

The previous prime is 16536669911. The next prime is 16536669943. The reversal of 16536669928 is 82996663561.

It is a happy number.

It is a super-2 number, since 2×16536669928² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350798 + ... + 2357821.

It is an arithmetic number, because the mean of its divisors is an integer number (1942305750).

Almost surely, 2^16536669928 is an apocalyptic number.

It is an amenable number.

16536669928 is a deficient number, since it is larger than the sum of its proper divisors (14540222072).

16536669928 is a wasteful number, since it uses less digits than its factorization.

16536669928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4709064 (or 4709060 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 61.

The spelling of 16536669928 in words is "sixteen billion, five hundred thirty-six million, six hundred sixty-nine thousand, nine hundred twenty-eight".