90337656623 has 8 divisors (see below), whose sum is σ = 94437725568. Its totient is φ = 86251949784.

The previous prime is 90337656601. The next prime is 90337656641. The reversal of 90337656623 is 32665673309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90337656623 - 2¹⁶ = 90337591087 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 (90337655623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3577661 + ... + 3602822.

It is an arithmetic number, because the mean of its divisors is an integer number (11804715696).

Almost surely, 2^90337656623 is an apocalyptic number.

90337656623 is a deficient number, since it is larger than the sum of its proper divisors (4100068945).

90337656623 is a wasteful number, since it uses less digits than its factorization.

90337656623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7181053.

The product of its (nonzero) digits is 3674160, while the sum is 50.

The spelling of 90337656623 in words is "ninety billion, three hundred thirty-seven million, six hundred fifty-six thousand, six hundred twenty-three".