99259943166 has 12 divisors (see below), whose sum is σ = 215063210232. Its totient is φ = 33086647716.

The previous prime is 99259943137. The next prime is 99259943171. The reversal of 99259943166 is 66134995299.

99259943166 is a `hidden beast` number, since 9 + 9 + 2 + 599 + 4 + 31 + 6 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2757220626 + ... + 2757220661.

It is an arithmetic number, because the mean of its divisors is an integer number (17921934186).

Almost surely, 2^99259943166 is an apocalyptic number.

99259943166 is an abundant number, since it is smaller than the sum of its proper divisors (115803267066).

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

99259943166 is a wasteful number, since it uses less digits than its factorization.

99259943166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514441295 (or 5514441292 counting only the distinct ones).

The product of its digits is 28343520, while the sum is 63.

The spelling of 99259943166 in words is "ninety-nine billion, two hundred fifty-nine million, nine hundred forty-three thousand, one hundred sixty-six".