99994508586 has 160 divisors (see below), whose sum is σ = 259100595072. Its totient is φ = 28233878400.

The previous prime is 99994508569. The next prime is 99994508687. The reversal of 99994508586 is 68580549999.

99994508586 is a `hidden beast` number, since 9 + 9 + 99 + 450 + 8 + 5 + 86 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 35072061 + ... + 35074911.

Almost surely, 2^99994508586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99994508586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129550297536).

99994508586 is an abundant number, since it is smaller than the sum of its proper divisors (159106086486).

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

99994508586 is a wasteful number, since it uses less digits than its factorization.

99994508586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226 (or 3217 counting only the distinct ones).

The product of its (nonzero) digits is 251942400, while the sum is 72.

The spelling of 99994508586 in words is "ninety-nine billion, nine hundred ninety-four million, five hundred eight thousand, five hundred eighty-six".