90411371604 has 18 divisors (see below), whose sum is σ = 228539856090. Its totient is φ = 30137123856.

The previous prime is 90411371599. The next prime is 90411371627. The reversal of 90411371604 is 40617311409.

90411371604 is a `hidden beast` number, since 9 + 0 + 4 + 11 + 37 + 1 + 604 = 666.

It can be written as a sum of positive squares in only one way, i.e., 68616754704 + 21794616900 = 261948^2 + 147630^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×90411371604² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2511426989 = 90411371604 / (9 + 0 + 4 + 1 + 1 + 3 + 7 + 1 + 6 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1255713459 + ... + 1255713530.

Almost surely, 2^90411371604 is an apocalyptic number.

It is an amenable number.

90411371604 is an abundant number, since it is smaller than the sum of its proper divisors (138128484486).

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

90411371604 is a wasteful number, since it uses less digits than its factorization.

90411371604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511426999 (or 2511426994 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 90411371604 in words is "ninety billion, four hundred eleven million, three hundred seventy-one thousand, six hundred four".