90317518346 has 16 divisors (see below), whose sum is σ = 147799811808. Its totient is φ = 41051331600.

The previous prime is 90317518337. The next prime is 90317518363. The reversal of 90317518346 is 64381571309.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90317518346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390776 + ... + 577356.

It is an arithmetic number, because the mean of its divisors is an integer number (9237488238).

Almost surely, 2^90317518346 is an apocalyptic number.

90317518346 is a deficient number, since it is larger than the sum of its proper divisors (57482293462).

90317518346 is a wasteful number, since it uses less digits than its factorization.

90317518346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208597.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 90317518346 in words is "ninety billion, three hundred seventeen million, five hundred eighteen thousand, three hundred forty-six".