16589996664 has 32 divisors (see below), whose sum is σ = 41489280000. Its totient is φ = 5528093792.

The previous prime is 16589996659. The next prime is 16589996671. The reversal of 16589996664 is 46669998561.

It is a super-2 number, since 2×16589996664² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47064 + ... + 188135.

It is an arithmetic number, because the mean of its divisors is an integer number (1296540000).

Almost surely, 2^16589996664 is an apocalyptic number.

It is an amenable number.

16589996664 is an abundant number, since it is smaller than the sum of its proper divisors (24899283336).

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

16589996664 is a wasteful number, since it uses less digits than its factorization.

16589996664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238147 (or 238143 counting only the distinct ones).

The product of its digits is 151165440, while the sum is 69.

The spelling of 16589996664 in words is "sixteen billion, five hundred eighty-nine million, nine hundred ninety-six thousand, six hundred sixty-four".