99665980329216 has 288 divisors, whose sum is σ = 337876936104960. Its totient is φ = 25390359871488.

The previous prime is 99665980329173. The next prime is 99665980329259. The reversal of 99665980329216 is 61292308956699.

It is an interprime number because it is at equal distance from previous prime (99665980329173) and next prime (99665980329259).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26961786 + ... + 30434681.

It is an arithmetic number, because the mean of its divisors is an integer number (1173183805920).

Almost surely, 2^{99665980329216} is an apocalyptic number.

99665980329216 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

99665980329216 is an abundant number, since it is smaller than the sum of its proper divisors (238210955775744).

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

99665980329216 is a wasteful number, since it uses less digits than its factorization.

99665980329216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57396529 (or 57396515 counting only the distinct ones).

The product of its (nonzero) digits is 680244480, while the sum is 75.

The spelling of 99665980329216 in words is "ninety-nine trillion, six hundred sixty-five billion, nine hundred eighty million, three hundred twenty-nine thousand, two hundred sixteen".