99118910 has 32 divisors (see below), whose sum is σ = 195396192. Its totient is φ = 35902080.

The previous prime is 99118907. The next prime is 99118919. The reversal of 99118910 is 1981199.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99118919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28844 + ... + 32096.

It is an arithmetic number, because the mean of its divisors is an integer number (6106131).

Almost surely, 2^99118910 is an apocalyptic number.

99118910 is a deficient number, since it is larger than the sum of its proper divisors (96277282).

99118910 is a wasteful number, since it uses less digits than its factorization.

99118910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548.

The product of its (nonzero) digits is 5832, while the sum is 38.

The square root of 99118910 is about 9955.8480301780. The cubic root of 99118910 is about 462.7916407497.

It can be divided in two parts, 991189 and 10, that added together give a palindrome (991199).

The spelling of 99118910 in words is "ninety-nine million, one hundred eighteen thousand, nine hundred ten".