16504017696 has 72 divisors (see below), whose sum is σ = 46946796624. Its totient is φ = 5499757440.

The previous prime is 16504017659. The next prime is 16504017713. The reversal of 16504017696 is 69671040561.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×16504017696² (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 11 ways as a sum of consecutive naturals, for example, 1430511 + ... + 1442001.

It is an arithmetic number, because the mean of its divisors is an integer number (652038842).

Almost surely, 2^16504017696 is an apocalyptic number.

16504017696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16504017696 is an abundant number, since it is smaller than the sum of its proper divisors (30442778928).

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

16504017696 is a wasteful number, since it uses less digits than its factorization.

16504017696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16494 (or 16483 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 16504017696 in words is "sixteen billion, five hundred four million, seventeen thousand, six hundred ninety-six".