90000009516 has 48 divisors (see below), whose sum is σ = 226686700800. Its totient is φ = 27706147392.

The previous prime is 90000009497. The next prime is 90000009581. The reversal of 90000009516 is 61590000009.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5614186 + ... + 5630193.

It is an arithmetic number, because the mean of its divisors is an integer number (4722639600).

Almost surely, 2^90000009516 is an apocalyptic number.

It is an amenable number.

90000009516 is an abundant number, since it is smaller than the sum of its proper divisors (136686691284).

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

90000009516 is a wasteful number, since it uses less digits than its factorization.

90000009516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11244438 (or 11244436 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The spelling of 90000009516 in words is "ninety billion, nine thousand, five hundred sixteen".