90665786416 has 10 divisors (see below), whose sum is σ = 175664961212. Its totient is φ = 45332893200.

The previous prime is 90665786381. The next prime is 90665786437. The reversal of 90665786416 is 61468756609.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833305810 + ... + 2833305841.

Almost surely, 2^90665786416 is an apocalyptic number.

It is an amenable number.

90665786416 is a deficient number, since it is larger than the sum of its proper divisors (84999174796).

90665786416 is a wasteful number, since it uses less digits than its factorization.

90665786416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666611659 (or 5666611653 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 90665786416 in words is "ninety billion, six hundred sixty-five million, seven hundred eighty-six thousand, four hundred sixteen".