99191082 has 16 divisors (see below), whose sum is σ = 198485280. Its totient is φ = 33046512.

The previous prime is 99191051. The next prime is 99191087. The reversal of 99191082 is 28019199.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 99191082.

It is not an unprimeable number, because it can be changed into a prime (99191087) 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 7 ways as a sum of consecutive naturals, for example, 14613 + ... + 20295.

It is an arithmetic number, because the mean of its divisors is an integer number (12405330).

Almost surely, 2^99191082 is an apocalyptic number.

99191082 is an abundant number, since it is smaller than the sum of its proper divisors (99294198).

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

99191082 is a wasteful number, since it uses less digits than its factorization.

99191082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8597.

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 99191082 is about 9959.4719739552. The cubic root of 99191082 is about 462.9039385102.

The spelling of 99191082 in words is "ninety-nine million, one hundred ninety-one thousand, eighty-two".