90369040566 has 48 divisors (see below), whose sum is σ = 210425171760. Its totient is φ = 25797764160.

The previous prime is 90369040513. The next prime is 90369040591. The reversal of 90369040566 is 66504096309.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217080 + ... + 477348.

It is an arithmetic number, because the mean of its divisors is an integer number (4383857745).

Almost surely, 2^90369040566 is an apocalyptic number.

90369040566 is an abundant number, since it is smaller than the sum of its proper divisors (120056131194).

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

90369040566 is a wasteful number, since it uses less digits than its factorization.

90369040566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261469 (or 261462 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 90369040566 in words is "ninety billion, three hundred sixty-nine million, forty thousand, five hundred sixty-six".