99927660516 has 96 divisors (see below), whose sum is σ = 245351221248. Its totient is φ = 31593576960.

The previous prime is 99927660491. The next prime is 99927660517. The reversal of 99927660516 is 61506672999.

It is a self number, because there is not a number n which added to its sum of digits gives 99927660516.

It is not an unprimeable number, because it can be changed into a prime (99927660517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21906876 + ... + 21911436.

It is an arithmetic number, because the mean of its divisors is an integer number (2555741888).

Almost surely, 2^99927660516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99927660516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122675610624).

99927660516 is an abundant number, since it is smaller than the sum of its proper divisors (145423560732).

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

99927660516 is a wasteful number, since it uses less digits than its factorization.

99927660516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241 (or 5239 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 60.

The spelling of 99927660516 in words is "ninety-nine billion, nine hundred twenty-seven million, six hundred sixty thousand, five hundred sixteen".