16791639316 has 6 divisors (see below), whose sum is σ = 29385368810. Its totient is φ = 8395819656.

The previous prime is 16791639283. The next prime is 16791639331. The reversal of 16791639316 is 61393619761.

It can be written as a sum of positive squares in only one way, i.e., 16788384900 + 3254416 = 129570^2 + 1804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2098954911 + ... + 2098954918.

Almost surely, 2^16791639316 is an apocalyptic number.

It is an amenable number.

16791639316 is a deficient number, since it is larger than the sum of its proper divisors (12593729494).

16791639316 is a wasteful number, since it uses less digits than its factorization.

16791639316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197909833 (or 4197909831 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 52.

The spelling of 16791639316 in words is "sixteen billion, seven hundred ninety-one million, six hundred thirty-nine thousand, three hundred sixteen".