90615406152 has 16 divisors (see below), whose sum is σ = 226538515440. Its totient is φ = 30205135376.

The previous prime is 90615406099. The next prime is 90615406163. The reversal of 90615406152 is 25160451609.

It is a super-2 number, since 2×90615406152² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90615406152.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887820938 + ... + 1887820985.

It is an arithmetic number, because the mean of its divisors is an integer number (14158657215).

Almost surely, 2^90615406152 is an apocalyptic number.

It is an amenable number.

90615406152 is an abundant number, since it is smaller than the sum of its proper divisors (135923109288).

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

90615406152 is a wasteful number, since it uses less digits than its factorization.

90615406152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775641932 (or 3775641928 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 90615406152 in words is "ninety billion, six hundred fifteen million, four hundred six thousand, one hundred fifty-two".