99164191 has 12 divisors (see below), whose sum is σ = 117312840. Its totient is φ = 83554800.

The previous prime is 99164189. The next prime is 99164203. The reversal of 99164191 is 19146199.

It is not a de Polignac number, because 99164191 - 2¹ = 99164189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99164141) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 14260 + ... + 20041.

It is an arithmetic number, because the mean of its divisors is an integer number (9776070).

Almost surely, 2^99164191 is an apocalyptic number.

99164191 is a deficient number, since it is larger than the sum of its proper divisors (18148649).

99164191 is a wasteful number, since it uses less digits than its factorization.

99164191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34374 (or 34367 counting only the distinct ones).

The product of its digits is 17496, while the sum is 40.

The square root of 99164191 is about 9958.1218610740. The cubic root of 99164191 is about 462.8621031804.

The spelling of 99164191 in words is "ninety-nine million, one hundred sixty-four thousand, one hundred ninety-one".