16716126536 has 16 divisors (see below), whose sum is σ = 31359463740. Its totient is φ = 8353602880.

The previous prime is 16716126491. The next prime is 16716126577. The reversal of 16716126536 is 63562161761.

It can be written as a sum of positive squares in 2 ways, for example, as 13643641636 + 3072484900 = 116806^2 + 55430^2 .

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, 541595 + ... + 571626.

Almost surely, 2^16716126536 is an apocalyptic number.

It is an amenable number.

16716126536 is a deficient number, since it is larger than the sum of its proper divisors (14643337204).

16716126536 is a wasteful number, since it uses less digits than its factorization.

16716126536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115104 (or 1115100 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The spelling of 16716126536 in words is "sixteen billion, seven hundred sixteen million, one hundred twenty-six thousand, five hundred thirty-six".