99161625612 has 24 divisors (see below), whose sum is σ = 264431001856. Its totient is φ = 28331893008.

The previous prime is 99161625611. The next prime is 99161625643. The reversal of 99161625612 is 21652616199.

It is not an unprimeable number, because it can be changed into a prime (99161625611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590247688 + ... + 590247855.

Almost surely, 2^99161625612 is an apocalyptic number.

It is an amenable number.

99161625612 is an abundant number, since it is smaller than the sum of its proper divisors (165269376244).

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

99161625612 is a wasteful number, since it uses less digits than its factorization.

99161625612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180495557 (or 1180495555 counting only the distinct ones).

The product of its digits is 349920, while the sum is 48.

The spelling of 99161625612 in words is "ninety-nine billion, one hundred sixty-one million, six hundred twenty-five thousand, six hundred twelve".