99168715 has 4 divisors (see below), whose sum is σ = 119002464. Its totient is φ = 79334968.

The previous prime is 99168697. The next prime is 99168739. The reversal of 99168715 is 51786199.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99168715 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9916867 + ... + 9916876.

It is an arithmetic number, because the mean of its divisors is an integer number (29750616).

Almost surely, 2^99168715 is an apocalyptic number.

99168715 is a deficient number, since it is larger than the sum of its proper divisors (19833749).

99168715 is a wasteful number, since it uses less digits than its factorization.

99168715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19833748.

The product of its digits is 136080, while the sum is 46.

The square root of 99168715 is about 9958.3490097506. The cubic root of 99168715 is about 462.8691418647.

The spelling of 99168715 in words is "ninety-nine million, one hundred sixty-eight thousand, seven hundred fifteen".