90609173364 has 24 divisors (see below), whose sum is σ = 211445668000. Its totient is φ = 30199591584.

The previous prime is 90609173357. The next prime is 90609173387. The reversal of 90609173364 is 46337190609.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323239 + ... + 534510.

Almost surely, 2^90609173364 is an apocalyptic number.

It is an amenable number.

90609173364 is an abundant number, since it is smaller than the sum of its proper divisors (120836494636).

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

90609173364 is a wasteful number, since it uses less digits than its factorization.

90609173364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866559 (or 866557 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 48.

The spelling of 90609173364 in words is "ninety billion, six hundred nine million, one hundred seventy-three thousand, three hundred sixty-four".