99570118 has 8 divisors (see below), whose sum is σ = 149471712. Its totient is φ = 49746216.

The previous prime is 99570113. The next prime is 99570131. The reversal of 99570118 is 81107599.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99570113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16105 + ... + 21412.

It is an arithmetic number, because the mean of its divisors is an integer number (18683964).

Almost surely, 2^99570118 is an apocalyptic number.

99570118 is a deficient number, since it is larger than the sum of its proper divisors (49901594).

99570118 is a wasteful number, since it uses less digits than its factorization.

99570118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38846.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 99570118 is about 9978.4827503985. The cubic root of 99570118 is about 463.4928161829.

The spelling of 99570118 in words is "ninety-nine million, five hundred seventy thousand, one hundred eighteen".