16764537316 has 12 divisors (see below), whose sum is σ = 29338847020. Its totient is φ = 8382009600.

The previous prime is 16764537299. The next prime is 16764537329. The reversal of 16764537316 is 61373546761.

It can be written as a sum of positive squares in 2 ways, for example, as 12481358400 + 4283178916 = 111720^2 + 65446^2 .

It is a super-2 number, since 2×16764537316² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16764537316.

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, 218416 + ... + 285016.

Almost surely, 2^16764537316 is an apocalyptic number.

It is an amenable number.

16764537316 is a deficient number, since it is larger than the sum of its proper divisors (12574309704).

16764537316 is a wasteful number, since it uses less digits than its factorization.

16764537316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129534 (or 129532 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 49.

The spelling of 16764537316 in words is "sixteen billion, seven hundred sixty-four million, five hundred thirty-seven thousand, three hundred sixteen".