99118881166 has 16 divisors (see below), whose sum is σ = 155533316400. Its totient is φ = 47312845888.

The previous prime is 99118881149. The next prime is 99118881193. The reversal of 99118881166 is 66118881199.

It is a Harshad number since it is a multiple of its sum of digits (58).

99118881166 is a strobogrammatic number because it is the same when read upside-down.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 99118881166.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9595660 + ... + 9605983.

It is an arithmetic number, because the mean of its divisors is an integer number (9720832275).

Almost surely, 2^99118881166 is an apocalyptic number.

99118881166 is a deficient number, since it is larger than the sum of its proper divisors (56414435234).

99118881166 is a wasteful number, since it uses less digits than its factorization.

99118881166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19201763.

The product of its digits is 1492992, while the sum is 58.

The spelling of 99118881166 in words is "ninety-nine billion, one hundred eighteen million, eight hundred eighty-one thousand, one hundred sixty-six".