99881323153 has 16 divisors (see below), whose sum is σ = 106049457360. Its totient is φ = 93903846400.

The previous prime is 99881323123. The next prime is 99881323163. The reversal of 99881323153 is 35132318899.

It can be written as a sum of positive squares in 8 ways, for example, as 38725516944 + 61155806209 = 196788^2 + 247297^2 .

It is a cyclic number.

It is not a de Polignac number, because 99881323153 - 2⁵ = 99881323121 is a prime.

It is a super-2 number, since 2×99881323153² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99881323153.

It is not an unprimeable number, because it can be changed into a prime (99881323123) 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, 538851 + ... + 700087.

It is an arithmetic number, because the mean of its divisors is an integer number (6628091085).

Almost surely, 2^99881323153 is an apocalyptic number.

It is an amenable number.

99881323153 is a deficient number, since it is larger than the sum of its proper divisors (6168134207).

99881323153 is a wasteful number, since it uses less digits than its factorization.

99881323153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161828.

The product of its digits is 1399680, while the sum is 52.

The spelling of 99881323153 in words is "ninety-nine billion, eight hundred eighty-one million, three hundred twenty-three thousand, one hundred fifty-three".