99444084170131 has 16 divisors (see below), whose sum is σ = 105677650391040. Its totient is φ = 93314718550080.

The previous prime is 99444084170129. The next prime is 99444084170143. The reversal of 99444084170131 is 13107148044499.

It is not a de Polignac number, because 99444084170131 - 2¹ = 99444084170129 is a prime.

It is a super-2 number, since 2×99444084170131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99444084170111) 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, 57958335 + ... + 59649448.

It is an arithmetic number, because the mean of its divisors is an integer number (6604853149440).

Almost surely, 2^{99444084170131} is an apocalyptic number.

99444084170131 is a deficient number, since it is larger than the sum of its proper divisors (6233566220909).

99444084170131 is a wasteful number, since it uses less digits than its factorization.

99444084170131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117608226.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 99444084170131 in words is "ninety-nine trillion, four hundred forty-four billion, eighty-four million, one hundred seventy thousand, one hundred thirty-one".