90643082663 has 32 divisors (see below), whose sum is σ = 110218268160. Its totient is φ = 72769720320.

The previous prime is 90643082653. The next prime is 90643082671. The reversal of 90643082663 is 36628034609.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 90643082663 - 2¹⁴ = 90643066279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90643082633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23984108 + ... + 23987886.

It is an arithmetic number, because the mean of its divisors is an integer number (3444320880).

Almost surely, 2^90643082663 is an apocalyptic number.

90643082663 is a deficient number, since it is larger than the sum of its proper divisors (19575185497).

90643082663 is a wasteful number, since it uses less digits than its factorization.

90643082663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 90643082663 in words is "ninety billion, six hundred forty-three million, eighty-two thousand, six hundred sixty-three".