99365994090 has 96 divisors (see below), whose sum is σ = 282096711936. Its totient is φ = 24066622080.

The previous prime is 99365994043. The next prime is 99365994107. The reversal of 99365994090 is 9049956399.

99365994090 is a `hidden beast` number, since 9 + 9 + 36 + 599 + 4 + 0 + 9 + 0 = 666.

It is a Curzon 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, 1046472 + ... + 1137468.

It is an arithmetic number, because the mean of its divisors is an integer number (2938507416).

Almost surely, 2^99365994090 is an apocalyptic number.

99365994090 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 99365994090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141048355968).

99365994090 is an abundant number, since it is smaller than the sum of its proper divisors (182730717846).

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

99365994090 is a wasteful number, since it uses less digits than its factorization.

99365994090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92124 (or 92121 counting only the distinct ones).

The product of its (nonzero) digits is 21257640, while the sum is 63.

The spelling of 99365994090 in words is "ninety-nine billion, three hundred sixty-five million, nine hundred ninety-four thousand, ninety".