16502679081 has 96 divisors (see below), whose sum is σ = 28626041600. Its totient is φ = 9153720576.

The previous prime is 16502679079. The next prime is 16502679133. The reversal of 16502679081 is 18097620561.

16502679081 is a `hidden beast` number, since 1 + 6 + 502 + 67 + 9 + 0 + 81 = 666.

It is not a de Polignac number, because 16502679081 - 2¹ = 16502679079 is a prime.

It is a super-2 number, since 2×16502679081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16502679181) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 15097971 + ... + 15099063.

Almost surely, 2^16502679081 is an apocalyptic number.

It is an amenable number.

16502679081 is a deficient number, since it is larger than the sum of its proper divisors (12123362519).

16502679081 is a wasteful number, since it uses less digits than its factorization.

16502679081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 16502679081 in words is "sixteen billion, five hundred two million, six hundred seventy-nine thousand, eighty-one".