99161344 has 36 divisors (see below), whose sum is σ = 198584820. Its totient is φ = 49418240.

The previous prime is 99161297. The next prime is 99161383. The reversal of 99161344 is 44316199.

It can be written as a sum of positive squares in 2 ways, for example, as 30470400 + 68690944 = 5520^2 + 8288^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129924 + ... + 130684.

It is an arithmetic number, because the mean of its divisors is an integer number (5516245).

Almost surely, 2^99161344 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 99161344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99292410).

99161344 is an abundant number, since it is smaller than the sum of its proper divisors (99423476).

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

99161344 is an equidigital number, since it uses as much as digits as its factorization.

99161344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 1272 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 99161344 is about 9957.9789114057. The cubic root of 99161344 is about 462.8576735538.

The spelling of 99161344 in words is "ninety-nine million, one hundred sixty-one thousand, three hundred forty-four".