90653664252631 has 8 divisors (see below), whose sum is σ = 90948665569104. Its totient is φ = 90359057589120.

The previous prime is 90653664252577. The next prime is 90653664252653. The reversal of 90653664252631 is 13625246635609.

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 90653664252631 - 2²⁵ = 90653630698199 is a prime.

It is a super-2 number, since 2×90653664252631² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90653664252691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98203081 + ... + 99121906.

It is an arithmetic number, because the mean of its divisors is an integer number (11368583196138).

Almost surely, 2^{90653664252631} is an apocalyptic number.

90653664252631 is a deficient number, since it is larger than the sum of its proper divisors (295001316473).

90653664252631 is a wasteful number, since it uses less digits than its factorization.

90653664252631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197326481.

The product of its (nonzero) digits is 41990400, while the sum is 58.

The spelling of 90653664252631 in words is "ninety trillion, six hundred fifty-three billion, six hundred sixty-four million, two hundred fifty-two thousand, six hundred thirty-one".