99159213 has 4 divisors (see below), whose sum is σ = 132212288. Its totient is φ = 66106140.

The previous prime is 99159139. The next prime is 99159251. The reversal of 99159213 is 31295199.

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 99159213 - 2²⁰ = 98110637 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 (99159253) 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, 16526533 + ... + 16526538.

It is an arithmetic number, because the mean of its divisors is an integer number (33053072).

Almost surely, 2^99159213 is an apocalyptic number.

It is an amenable number.

99159213 is a deficient number, since it is larger than the sum of its proper divisors (33053075).

99159213 is a wasteful number, since it uses less digits than its factorization.

99159213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33053074.

The product of its digits is 21870, while the sum is 39.

The square root of 99159213 is about 9957.8719112067. The cubic root of 99159213 is about 462.8543578909.

The spelling of 99159213 in words is "ninety-nine million, one hundred fifty-nine thousand, two hundred thirteen".