16713993933 has 72 divisors (see below), whose sum is σ = 30659444088. Its totient is φ = 8695185408.

The previous prime is 16713993913. The next prime is 16713993991. The reversal of 16713993933 is 33939931761.

16713993933 is a `hidden beast` number, since 167 + 1 + 3 + 99 + 393 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2874353769 + 13839640164 = 53613^2 + 117642^2 .

It is not a de Polignac number, because 16713993933 - 2⁶ = 16713993869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16713993933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16713993913) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 398541 + ... + 438477.

Almost surely, 2^16713993933 is an apocalyptic number.

16713993933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16713993933 is a deficient number, since it is larger than the sum of its proper divisors (13945450155).

16713993933 is a wasteful number, since it uses less digits than its factorization.

16713993933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40043 (or 40033 counting only the distinct ones).

The product of its digits is 2480058, while the sum is 54.

The spelling of 16713993933 in words is "sixteen billion, seven hundred thirteen million, nine hundred ninety-three thousand, nine hundred thirty-three".