99029918171 has 4 divisors (see below), whose sum is σ = 99031809792. Its totient is φ = 99028026552.

The previous prime is 99029918167. The next prime is 99029918189. The reversal of 99029918171 is 17181992099.

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 99029918171 - 2² = 99029918167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99029918161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864980 + ... + 972753.

It is an arithmetic number, because the mean of its divisors is an integer number (24757952448).

Almost surely, 2^99029918171 is an apocalyptic number.

99029918171 is a deficient number, since it is larger than the sum of its proper divisors (1891621).

99029918171 is a wasteful number, since it uses less digits than its factorization.

99029918171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891620.

The product of its (nonzero) digits is 734832, while the sum is 56.

The spelling of 99029918171 in words is "ninety-nine billion, twenty-nine million, nine hundred eighteen thousand, one hundred seventy-one".