16617922944 has 64 divisors (see below), whose sum is σ = 50447274240. Its totient is φ = 4747977216.

The previous prime is 16617922939. The next prime is 16617922969. The reversal of 16617922944 is 44922971661.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 3088444 + ... + 3093819.

It is an arithmetic number, because the mean of its divisors is an integer number (788238660).

Almost surely, 2^16617922944 is an apocalyptic number.

16617922944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16617922944 is an abundant number, since it is smaller than the sum of its proper divisors (33829351296).

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

16617922944 is an equidigital number, since it uses as much as digits as its factorization.

16617922944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6182287 (or 6182275 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The spelling of 16617922944 in words is "sixteen billion, six hundred seventeen million, nine hundred twenty-two thousand, nine hundred forty-four".