16817940968 has 32 divisors (see below), whose sum is σ = 32260887360. Its totient is φ = 8217135360.

The previous prime is 16817940943. The next prime is 16817940983. The reversal of 16817940968 is 86904971861.

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, 66830 + ... + 195197.

It is an arithmetic number, because the mean of its divisors is an integer number (1008152730).

Almost surely, 2^16817940968 is an apocalyptic number.

It is an amenable number.

16817940968 is a deficient number, since it is larger than the sum of its proper divisors (15442946392).

16817940968 is a wasteful number, since it uses less digits than its factorization.

16817940968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262217 (or 262213 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 16817940968 in words is "sixteen billion, eight hundred seventeen million, nine hundred forty thousand, nine hundred sixty-eight".