16591768996 has 12 divisors (see below), whose sum is σ = 31675195440. Its totient is φ = 7541713160.

The previous prime is 16591768979. The next prime is 16591769023. The reversal of 16591768996 is 69986719561.

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 3 ways as a sum of consecutive naturals, for example, 188542786 + ... + 188542873.

It is an arithmetic number, because the mean of its divisors is an integer number (2639599620).

Almost surely, 2^16591768996 is an apocalyptic number.

It is an amenable number.

16591768996 is a deficient number, since it is larger than the sum of its proper divisors (15083426444).

16591768996 is a wasteful number, since it uses less digits than its factorization.

16591768996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377085674 (or 377085672 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 67.

It can be divided in two parts, 16591 and 768996, that added together give a palindrome (785587).

The spelling of 16591768996 in words is "sixteen billion, five hundred ninety-one million, seven hundred sixty-eight thousand, nine hundred ninety-six".