16717009968 has 60 divisors (see below), whose sum is σ = 47577390120. Its totient is φ = 5477887488.

The previous prime is 16717009949. The next prime is 16717009979. The reversal of 16717009968 is 86990071761.

It is a super-2 number, since 2×16717009968² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 975321 + ... + 992312.

It is an arithmetic number, because the mean of its divisors is an integer number (792956502).

Almost surely, 2^16717009968 is an apocalyptic number.

16717009968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16717009968 is an abundant number, since it is smaller than the sum of its proper divisors (30860380152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16717009968 is a wasteful number, since it uses less digits than its factorization.

16717009968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967706 (or 1967697 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 16717009968 in words is "sixteen billion, seven hundred seventeen million, nine thousand, nine hundred sixty-eight".