90368816 has 40 divisors (see below), whose sum is σ = 181421424. Its totient is φ = 43580160.

The previous prime is 90368809. The next prime is 90368833. The reversal of 90368816 is 61886309.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50855 + ... + 52601.

Almost surely, 2^90368816 is an apocalyptic number.

It is an amenable number.

90368816 is an abundant number, since it is smaller than the sum of its proper divisors (91052608).

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

90368816 is a wasteful number, since it uses less digits than its factorization.

90368816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1863 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 90368816 is about 9506.2514168309. The cubic root of 90368816 is about 448.7517936112.

The spelling of 90368816 in words is "ninety million, three hundred sixty-eight thousand, eight hundred sixteen".