99118633 has 4 divisors (see below), whose sum is σ = 99476740. Its totient is φ = 98760528.

The previous prime is 99118631. The next prime is 99118637. The reversal of 99118633 is 33681199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33681199 = 17 ⋅1981247.

It can be written as a sum of positive squares in 2 ways, for example, as 67848169 + 31270464 = 8237^2 + 5592^2 .

It is a cyclic number.

It is not a de Polignac number, because 99118633 - 2¹ = 99118631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99118631) 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, 178638 + ... + 179191.

It is an arithmetic number, because the mean of its divisors is an integer number (24869185).

Almost surely, 2^99118633 is an apocalyptic number.

It is an amenable number.

99118633 is a deficient number, since it is larger than the sum of its proper divisors (358107).

99118633 is a wasteful number, since it uses less digits than its factorization.

99118633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358106.

The product of its digits is 34992, while the sum is 40.

The square root of 99118633 is about 9955.8341187467. The cubic root of 99118633 is about 462.7912096398.

The spelling of 99118633 in words is "ninety-nine million, one hundred eighteen thousand, six hundred thirty-three".