99660582 has 24 divisors (see below), whose sum is σ = 246778896. Its totient is φ = 28474416.

The previous prime is 99660581. The next prime is 99660601. The reversal of 99660582 is 28506699.

99660582 is a `hidden beast` number, since 9 + 9 + 6 + 60 + 582 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99660581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 395353 + ... + 395604.

It is an arithmetic number, because the mean of its divisors is an integer number (10282454).

Almost surely, 2^99660582 is an apocalyptic number.

99660582 is an abundant number, since it is smaller than the sum of its proper divisors (147118314).

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

99660582 is a wasteful number, since it uses less digits than its factorization.

99660582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790972 (or 790969 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 99660582 is about 9983.0146749366. The cubic root of 99660582 is about 463.6331418252.

The spelling of 99660582 in words is "ninety-nine million, six hundred sixty thousand, five hundred eighty-two".