99156744 has 128 divisors (see below), whose sum is σ = 298224000. Its totient is φ = 30419712.

The previous prime is 99156731. The next prime is 99156779. The reversal of 99156744 is 44765199.

It is a self number, because there is not a number n which added to its sum of digits gives 99156744.

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, 151522 + ... + 152174.

It is an arithmetic number, because the mean of its divisors is an integer number (2329875).

Almost surely, 2^99156744 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 99156744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149112000).

99156744 is an abundant number, since it is smaller than the sum of its proper divisors (199067256).

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

99156744 is a wasteful number, since it uses less digits than its factorization.

99156744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 714 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 99156744 is about 9957.7479381635. The cubic root of 99156744 is about 462.8505162681.

The spelling of 99156744 in words is "ninety-nine million, one hundred fifty-six thousand, seven hundred forty-four".