16539675364 has 12 divisors (see below), whose sum is σ = 28946570044. Its totient is φ = 8269226784.

The previous prime is 16539675329. The next prime is 16539675403. The reversal of 16539675364 is 46357693561.

It can be written as a sum of positive squares in 2 ways, for example, as 15028798464 + 1510876900 = 122592^2 + 38870^2 .

It is a super-2 number, since 2×16539675364² (a number of 21 digits) contains 22 as substring.

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, 88839 + ... + 202414.

Almost surely, 2^16539675364 is an apocalyptic number.

It is an amenable number.

16539675364 is a deficient number, since it is larger than the sum of its proper divisors (12406894680).

16539675364 is a wasteful number, since it uses less digits than its factorization.

16539675364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305454 (or 305452 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 55.

The spelling of 16539675364 in words is "sixteen billion, five hundred thirty-nine million, six hundred seventy-five thousand, three hundred sixty-four".