99344264136 has 128 divisors (see below), whose sum is σ = 279589605120. Its totient is φ = 29186555904.

The previous prime is 99344264039. The next prime is 99344264141. The reversal of 99344264136 is 63146244399.

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, 4128556 + ... + 4152548.

It is an arithmetic number, because the mean of its divisors is an integer number (2184293790).

Almost surely, 2^99344264136 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 99344264136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139794802560).

99344264136 is an abundant number, since it is smaller than the sum of its proper divisors (180245340984).

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

99344264136 is a wasteful number, since it uses less digits than its factorization.

99344264136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24615 (or 24611 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 51.

The spelling of 99344264136 in words is "ninety-nine billion, three hundred forty-four million, two hundred sixty-four thousand, one hundred thirty-six".