99641159 has 4 divisors (see below), whose sum is σ = 99733416. Its totient is φ = 99548904.

The previous prime is 99641153. The next prime is 99641167. The reversal of 99641159 is 95114699.

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 99641159 - 2²⁰ = 98592583 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 (99641153) 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, 44489 + ... + 46674.

It is an arithmetic number, because the mean of its divisors is an integer number (24933354).

Almost surely, 2^99641159 is an apocalyptic number.

99641159 is a deficient number, since it is larger than the sum of its proper divisors (92257).

99641159 is a wasteful number, since it uses less digits than its factorization.

99641159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92256.

The product of its digits is 87480, while the sum is 44.

The square root of 99641159 is about 9982.0418251979. The cubic root of 99641159 is about 463.6030204826.

The spelling of 99641159 in words is "ninety-nine million, six hundred forty-one thousand, one hundred fifty-nine".