99164593 has 4 divisors (see below), whose sum is σ = 108179568. Its totient is φ = 90149620.

The previous prime is 99164581. The next prime is 99164599. The reversal of 99164593 is 39546199.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 99164593 - 2¹³ = 99156401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99164599) 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 3 ways as a sum of consecutive naturals, for example, 4507471 + ... + 4507492.

It is an arithmetic number, because the mean of its divisors is an integer number (27044892).

Almost surely, 2^99164593 is an apocalyptic number.

It is an amenable number.

99164593 is a deficient number, since it is larger than the sum of its proper divisors (9014975).

99164593 is a wasteful number, since it uses less digits than its factorization.

99164593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9014974.

The product of its digits is 262440, while the sum is 46.

The square root of 99164593 is about 9958.1420455826. The cubic root of 99164593 is about 462.8627286425.

The spelling of 99164593 in words is "ninety-nine million, one hundred sixty-four thousand, five hundred ninety-three".