90435371216 has 20 divisors (see below), whose sum is σ = 175224743232. Its totient is φ = 45216082656.

The previous prime is 90435371179. The next prime is 90435371219. The reversal of 90435371216 is 61217353409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90435371219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460271 + ... + 626673.

Almost surely, 2^90435371216 is an apocalyptic number.

It is an amenable number.

90435371216 is a deficient number, since it is larger than the sum of its proper divisors (84789372016).

90435371216 is a wasteful number, since it uses less digits than its factorization.

90435371216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200378 (or 200372 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 90435371216 in words is "ninety billion, four hundred thirty-five million, three hundred seventy-one thousand, two hundred sixteen".