99081576 has 192 divisors, whose sum is σ = 321753600. Its totient is φ = 28131840.

The previous prime is 99081569. The next prime is 99081581. The reversal of 99081576 is 67518099.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 444201 + ... + 444423.

It is an arithmetic number, because the mean of its divisors is an integer number (1675800).

Almost surely, 2^99081576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99081576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160876800).

99081576 is an abundant number, since it is smaller than the sum of its proper divisors (222672024).

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

99081576 is a wasteful number, since it uses less digits than its factorization.

99081576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 99081576 is about 9953.9728751891. The cubic root of 99081576 is about 462.7335286200.

The spelling of 99081576 in words is "ninety-nine million, eighty-one thousand, five hundred seventy-six".