90190706616 has 48 divisors (see below), whose sum is σ = 244567847160. Its totient is φ = 30026479680.

The previous prime is 90190706609. The next prime is 90190706621. The reversal of 90190706616 is 61660709109.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 713895 + ... + 830678.

Almost surely, 2^90190706616 is an apocalyptic number.

It is an amenable number.

90190706616 is an abundant number, since it is smaller than the sum of its proper divisors (154377140544).

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

90190706616 is a wasteful number, since it uses less digits than its factorization.

90190706616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545396 (or 1545389 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 90190706616 in words is "ninety billion, one hundred ninety million, seven hundred six thousand, six hundred sixteen".