90816419667 has 16 divisors (see below), whose sum is σ = 121966848000. Its totient is φ = 60106408800.

The previous prime is 90816419657. The next prime is 90816419671. The reversal of 90816419667 is 76691461809.

It is not a de Polignac number, because 90816419667 - 2²³ = 90808031059 is a prime.

It is a super-2 number, since 2×90816419667² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90816419647) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 127117 + ... + 444737.

It is an arithmetic number, because the mean of its divisors is an integer number (7622928000).

Almost surely, 2^90816419667 is an apocalyptic number.

90816419667 is a deficient number, since it is larger than the sum of its proper divisors (31150428333).

90816419667 is a wasteful number, since it uses less digits than its factorization.

90816419667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318314.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 90816419667 in words is "ninety billion, eight hundred sixteen million, four hundred nineteen thousand, six hundred sixty-seven".