90666588016 has 10 divisors (see below), whose sum is σ = 175666514312. Its totient is φ = 45333294000.

The previous prime is 90666588007. The next prime is 90666588031. The reversal of 90666588016 is 61088566609.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833330860 + ... + 2833330891.

Almost surely, 2^90666588016 is an apocalyptic number.

It is an amenable number.

90666588016 is a deficient number, since it is larger than the sum of its proper divisors (84999926296).

90666588016 is a wasteful number, since it uses less digits than its factorization.

90666588016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666661759 (or 5666661753 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 90666588016 in words is "ninety billion, six hundred sixty-six million, five hundred eighty-eight thousand, sixteen".