90580016455 has 16 divisors (see below), whose sum is σ = 113430020544. Its totient is φ = 69308462080.

The previous prime is 90580016419. The next prime is 90580016479. The reversal of 90580016455 is 55461008509.

It is not a de Polignac number, because 90580016455 - 2¹¹ = 90580014407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3113175 + ... + 3142135.

It is an arithmetic number, because the mean of its divisors is an integer number (7089376284).

Almost surely, 2^90580016455 is an apocalyptic number.

90580016455 is a deficient number, since it is larger than the sum of its proper divisors (22850004089).

90580016455 is a wasteful number, since it uses less digits than its factorization.

90580016455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56186.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 90580016455 in words is "ninety billion, five hundred eighty million, sixteen thousand, four hundred fifty-five".