99195102720 has 480 divisors, whose sum is σ = 413294618880. Its totient is φ = 21479178240.

The previous prime is 99195102689. The next prime is 99195102763. The reversal of 99195102720 is 2720159199.

99195102720 is a `hidden beast` number, since 9 + 91 + 9 + 510 + 27 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3048135 + ... + 3080505.

It is an arithmetic number, because the mean of its divisors is an integer number (861030456).

Almost surely, 2^99195102720 is an apocalyptic number.

99195102720 is a gapful number since it is divisible by the number (90) 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 99195102720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206647309440).

99195102720 is an abundant number, since it is smaller than the sum of its proper divisors (314099516160).

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

99195102720 is a wasteful number, since it uses less digits than its factorization.

99195102720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32426 (or 32407 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The spelling of 99195102720 in words is "ninety-nine billion, one hundred ninety-five million, one hundred two thousand, seven hundred twenty".