99908168 has 8 divisors (see below), whose sum is σ = 187327830. Its totient is φ = 49954080.

The previous prime is 99908143. The next prime is 99908197. The reversal of 99908168 is 86180999.

It can be written as a sum of positive squares in only one way, i.e., 86527204 + 13380964 = 9302^2 + 3658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6244253 + ... + 6244268.

Almost surely, 2^99908168 is an apocalyptic number.

It is an amenable number.

99908168 is a deficient number, since it is larger than the sum of its proper divisors (87419662).

99908168 is a wasteful number, since it uses less digits than its factorization.

99908168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12488527 (or 12488523 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 50.

The square root of 99908168 is about 9995.4073453762. The cubic root of 99908168 is about 464.0167577182.

The spelling of 99908168 in words is "ninety-nine million, nine hundred eight thousand, one hundred sixty-eight".