99210408161 has 16 divisors (see below), whose sum is σ = 104641891200. Its totient is φ = 93873043968.

The previous prime is 99210408139. The next prime is 99210408163. The reversal of 99210408161 is 16180401299.

It is a cyclic number.

It is not a de Polignac number, because 99210408161 - 2³⁰ = 98136666337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99210408163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5141750 + ... + 5161008.

It is an arithmetic number, because the mean of its divisors is an integer number (6540118200).

Almost surely, 2^99210408161 is an apocalyptic number.

It is an amenable number.

99210408161 is a deficient number, since it is larger than the sum of its proper divisors (5431483039).

99210408161 is a wasteful number, since it uses less digits than its factorization.

99210408161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21688.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 99210408161 in words is "ninety-nine billion, two hundred ten million, four hundred eight thousand, one hundred sixty-one".