90665552741418 has 24 divisors (see below), whose sum is σ = 196745650796448. Its totient is φ = 30175140166632.

The previous prime is 90665552741417. The next prime is 90665552741419. The reversal of 90665552741418 is 81414725556609.

It is a happy number.

90665552741418 is a `hidden beast` number, since 9 + 0 + 6 + 6 + 5 + 552 + 74 + 1 + 4 + 1 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (90665552741417) and next prime (90665552741419).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90665552741417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3892550296 + ... + 3892573587.

It is an arithmetic number, because the mean of its divisors is an integer number (8197735449852).

Almost surely, 2^{90665552741418} is an apocalyptic number.

90665552741418 is an abundant number, since it is smaller than the sum of its proper divisors (106080098055030).

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

90665552741418 is a wasteful number, since it uses less digits than its factorization.

90665552741418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7785124538 (or 7785124535 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 63.

The spelling of 90665552741418 in words is "ninety trillion, six hundred sixty-five billion, five hundred fifty-two million, seven hundred forty-one thousand, four hundred eighteen".