90668454336 has 42 divisors (see below), whose sum is σ = 259884755312. Its totient is φ = 30222817920.

The previous prime is 90668454323. The next prime is 90668454337. The reversal of 90668454336 is 63345486609.

90668454336 is a `hidden beast` number, since 9 + 0 + 6 + 68 + 4 + 543 + 36 = 666.

It is a super-2 number, since 2×90668454336² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90668454337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78704680 + ... + 78705831.

Almost surely, 2^90668454336 is an apocalyptic number.

90668454336 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

90668454336 is an abundant number, since it is smaller than the sum of its proper divisors (169216300976).

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

90668454336 is a wasteful number, since it uses less digits than its factorization.

90668454336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157410529 (or 157410516 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 90668454336 in words is "ninety billion, six hundred sixty-eight million, four hundred fifty-four thousand, three hundred thirty-six".