99572116 has 18 divisors (see below), whose sum is σ = 202700778. Its totient is φ = 42673680.

The previous prime is 99572113. The next prime is 99572119. The reversal of 99572116 is 61127599.

It is an interprime number because it is at equal distance from previous prime (99572113) and next prime (99572119).

It can be written as a sum of positive squares in only one way, i.e., 99082116 + 490000 = 9954^2 + 700^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99572113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 253815 + ... + 254206.

Almost surely, 2^99572116 is an apocalyptic number.

It is an amenable number.

99572116 is an abundant number, since it is smaller than the sum of its proper divisors (103128662).

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

99572116 is a wasteful number, since it uses less digits than its factorization.

99572116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508039 (or 508030 counting only the distinct ones).

The product of its digits is 34020, while the sum is 40.

The square root of 99572116 is about 9978.5828653171. The cubic root of 99572116 is about 463.4959163515.

The spelling of 99572116 in words is "ninety-nine million, five hundred seventy-two thousand, one hundred sixteen".