99919110 has 32 divisors (see below), whose sum is σ = 243389952. Its totient is φ = 26246880.

The previous prime is 99919103. The next prime is 99919111. The reversal of 99919110 is 1191999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99919111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22846 + ... + 26865.

It is an arithmetic number, because the mean of its divisors is an integer number (7605936).

Almost surely, 2^99919110 is an apocalyptic number.

99919110 is an abundant number, since it is smaller than the sum of its proper divisors (143470842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99919110 is a wasteful number, since it uses less digits than its factorization.

99919110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49788.

The product of its (nonzero) digits is 6561, while the sum is 39.

The square root of 99919110 is about 9995.9546817700. The cubic root of 99919110 is about 464.0336968938.

The spelling of 99919110 in words is "ninety-nine million, nine hundred nineteen thousand, one hundred ten".