90436761966 has 64 divisors (see below), whose sum is σ = 185478336000. Its totient is φ = 29387358336.

The previous prime is 90436761949. The next prime is 90436762057. The reversal of 90436761966 is 66916763409.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46784736 + ... + 46786668.

It is an arithmetic number, because the mean of its divisors is an integer number (2898099000).

Almost surely, 2^90436761966 is an apocalyptic number.

90436761966 is an abundant number, since it is smaller than the sum of its proper divisors (95041574034).

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

90436761966 is a wasteful number, since it uses less digits than its factorization.

90436761966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033.

The product of its (nonzero) digits is 8817984, while the sum is 57.

The spelling of 90436761966 in words is "ninety billion, four hundred thirty-six million, seven hundred sixty-one thousand, nine hundred sixty-six".