99806160 has 80 divisors (see below), whose sum is σ = 311587200. Its totient is φ = 26426880.

The previous prime is 99806159. The next prime is 99806171. The reversal of 99806160 is 6160899.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×99806160² = 19922539147891200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34365 + ... + 37155.

It is an arithmetic number, because the mean of its divisors is an integer number (3894840).

Almost surely, 2^99806160 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 99806160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155793600).

99806160 is an abundant number, since it is smaller than the sum of its proper divisors (211781040).

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

99806160 is a wasteful number, since it uses less digits than its factorization.

99806160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956 (or 2950 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 99806160 is about 9990.3032986992. The cubic root of 99806160 is about 463.8587808449.

The spelling of 99806160 in words is "ninety-nine million, eight hundred six thousand, one hundred sixty".