16818476732 has 12 divisors (see below), whose sum is σ = 29586431616. Its totient is φ = 8365210560.

The previous prime is 16818476711. The next prime is 16818476743. The reversal of 16818476732 is 23767481861.

It is a happy number.

It is a super-2 number, since 2×16818476732² (a number of 21 digits) contains 22 as substring.

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, 11006093 + ... + 11007620.

It is an arithmetic number, because the mean of its divisors is an integer number (2465535968).

Almost surely, 2^16818476732 is an apocalyptic number.

It is an amenable number.

16818476732 is a deficient number, since it is larger than the sum of its proper divisors (12767954884).

16818476732 is a wasteful number, since it uses less digits than its factorization.

16818476732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22013908 (or 22013906 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 53.

The spelling of 16818476732 in words is "sixteen billion, eight hundred eighteen million, four hundred seventy-six thousand, seven hundred thirty-two".