99618860952 has 96 divisors (see below), whose sum is σ = 303187903200. Its totient is φ = 29319257088.

The previous prime is 99618860923. The next prime is 99618860953. The reversal of 99618860952 is 25906881699.

99618860952 is a `hidden beast` number, since 9 + 9 + 6 + 18 + 8 + 609 + 5 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 99618860952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99618860953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2292177 + ... + 2335232.

It is an arithmetic number, because the mean of its divisors is an integer number (3158207325).

Almost surely, 2^99618860952 is an apocalyptic number.

99618860952 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

99618860952 is an abundant number, since it is smaller than the sum of its proper divisors (203569042248).

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

99618860952 is a wasteful number, since it uses less digits than its factorization.

99618860952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627457 (or 4627450 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 99618860952 in words is "ninety-nine billion, six hundred eighteen million, eight hundred sixty thousand, nine hundred fifty-two".