90315750663 has 12 divisors (see below), whose sum is σ = 131074362328. Its totient is φ = 59925141360.

The previous prime is 90315750631. The next prime is 90315750671. The reversal of 90315750663 is 36605751309.

90315750663 is a `hidden beast` number, since 9 + 0 + 31 + 57 + 506 + 63 = 666.

It is not a de Polignac number, because 90315750663 - 2⁵ = 90315750631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90315750263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23777920 + ... + 23781717.

Almost surely, 2^90315750663 is an apocalyptic number.

90315750663 is a deficient number, since it is larger than the sum of its proper divisors (40758611665).

90315750663 is a wasteful number, since it uses less digits than its factorization.

90315750663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47559854 (or 47559851 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The spelling of 90315750663 in words is "ninety billion, three hundred fifteen million, seven hundred fifty thousand, six hundred sixty-three".