99611699390 has 64 divisors (see below), whose sum is σ = 205733122560. Its totient is φ = 34016526720.

The previous prime is 99611699389. The next prime is 99611699413. The reversal of 99611699390 is 9399611699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45713321 + ... + 45715499.

It is an arithmetic number, because the mean of its divisors is an integer number (3214580040).

Almost surely, 2^99611699390 is an apocalyptic number.

99611699390 is an abundant number, since it is smaller than the sum of its proper divisors (106121423170).

99611699390 is a wasteful number, since it uses less digits than its factorization.

99611699390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497.

The product of its (nonzero) digits is 6377292, while the sum is 62.

The spelling of 99611699390 in words is "ninety-nine billion, six hundred eleven million, six hundred ninety-nine thousand, three hundred ninety".