99118361 has 4 divisors (see below), whose sum is σ = 101535924. Its totient is φ = 96700800.

The previous prime is 99118337. The next prime is 99118379. The reversal of 99118361 is 16381199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16381199 = 613 ⋅26723.

It can be written as a sum of positive squares in 2 ways, for example, as 7054336 + 92064025 = 2656^2 + 9595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99118361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99118391) 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, 1208720 + ... + 1208801.

It is an arithmetic number, because the mean of its divisors is an integer number (25383981).

Almost surely, 2^99118361 is an apocalyptic number.

It is an amenable number.

99118361 is a deficient number, since it is larger than the sum of its proper divisors (2417563).

99118361 is a wasteful number, since it uses less digits than its factorization.

99118361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417562.

The product of its digits is 11664, while the sum is 38.

The square root of 99118361 is about 9955.8204584052. The cubic root of 99118361 is about 462.7907863110.

The spelling of 99118361 in words is "ninety-nine million, one hundred eighteen thousand, three hundred sixty-one".