99718166 has 4 divisors (see below), whose sum is σ = 149577252. Its totient is φ = 49859082.

The previous prime is 99718159. The next prime is 99718187. The reversal of 99718166 is 66181799.

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

It is a self number, because there is not a number n which added to its sum of digits gives 99718166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24929540 + ... + 24929543.

It is an arithmetic number, because the mean of its divisors is an integer number (37394313).

Almost surely, 2^99718166 is an apocalyptic number.

99718166 is a deficient number, since it is larger than the sum of its proper divisors (49859086).

99718166 is a wasteful number, since it uses less digits than its factorization.

99718166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49859085.

The product of its digits is 163296, while the sum is 47.

The square root of 99718166 is about 9985.8983571835. The cubic root of 99718166 is about 463.7224205548.

The spelling of 99718166 in words is "ninety-nine million, seven hundred eighteen thousand, one hundred sixty-six".