99515925216 has 192 divisors, whose sum is σ = 301054924800. Its totient is φ = 31947955200.

The previous prime is 99515925139. The next prime is 99515925227. The reversal of 99515925216 is 61252951599.

99515925216 is a `hidden beast` number, since 99 + 515 + 9 + 25 + 2 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5642620 + ... + 5660228.

It is an arithmetic number, because the mean of its divisors is an integer number (1567994400).

Almost surely, 2^99515925216 is an apocalyptic number.

99515925216 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99515925216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150527462400).

99515925216 is an abundant number, since it is smaller than the sum of its proper divisors (201538999584).

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

99515925216 is a wasteful number, since it uses less digits than its factorization.

99515925216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17870 (or 17856 counting only the distinct ones).

The product of its digits is 2187000, while the sum is 54.

The spelling of 99515925216 in words is "ninety-nine billion, five hundred fifteen million, nine hundred twenty-five thousand, two hundred sixteen".