16836668516 has 24 divisors (see below), whose sum is σ = 29703449664. Its totient is φ = 8350135200.

The previous prime is 16836668507. The next prime is 16836668521. The reversal of 16836668516 is 61586663861.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392126 + ... + 432938.

It is an arithmetic number, because the mean of its divisors is an integer number (1237643736).

Almost surely, 2^16836668516 is an apocalyptic number.

It is an amenable number.

16836668516 is a deficient number, since it is larger than the sum of its proper divisors (12866781148).

16836668516 is a wasteful number, since it uses less digits than its factorization.

16836668516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41651 (or 41649 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 56.

The spelling of 16836668516 in words is "sixteen billion, eight hundred thirty-six million, six hundred sixty-eight thousand, five hundred sixteen".