99164899 has 4 divisors (see below), whose sum is σ = 100845720. Its totient is φ = 97484080.

The previous prime is 99164881. The next prime is 99164903. The reversal of 99164899 is 99846199.

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

It is a cyclic number.

It is not a de Polignac number, because 99164899 - 2⁷ = 99164771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99164809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840322 + ... + 840439.

It is an arithmetic number, because the mean of its divisors is an integer number (25211430).

Almost surely, 2^99164899 is an apocalyptic number.

99164899 is a deficient number, since it is larger than the sum of its proper divisors (1680821).

99164899 is a wasteful number, since it uses less digits than its factorization.

99164899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680820.

The product of its digits is 1259712, while the sum is 55.

The square root of 99164899 is about 9958.1574098826. The cubic root of 99164899 is about 462.8632047393.

The spelling of 99164899 in words is "ninety-nine million, one hundred sixty-four thousand, eight hundred ninety-nine".