99444160 has 84 divisors (see below), whose sum is σ = 244446552. Its totient is φ = 38532096.

The previous prime is 99444139. The next prime is 99444193. The reversal of 99444160 is 6144499.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437967 + ... + 438193.

It is an arithmetic number, because the mean of its divisors is an integer number (2910078).

Almost surely, 2^99444160 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 99444160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122223276).

99444160 is an abundant number, since it is smaller than the sum of its proper divisors (145002392).

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

99444160 is a wasteful number, since it uses less digits than its factorization.

99444160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 99444160 is about 9972.1692725304. The cubic root of 99444160 is about 463.2972914474.

It can be divided in two parts, 994 and 44160, that added together give a palindrome (45154).

The spelling of 99444160 in words is "ninety-nine million, four hundred forty-four thousand, one hundred sixty".