118116493 has 16 divisors (see below), whose sum is σ = 136819584. Its totient is φ = 100776960.

The previous prime is 118116491. The next prime is 118116503. The reversal of 118116493 is 394611811.

It is a cyclic number.

It is not a de Polignac number, because 118116493 - 2¹ = 118116491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118116491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90421 + ... + 91717.

It is an arithmetic number, because the mean of its divisors is an integer number (8551224).

Almost surely, 2^118116493 is an apocalyptic number.

It is an amenable number.

118116493 is a deficient number, since it is larger than the sum of its proper divisors (18703091).

118116493 is a wasteful number, since it uses less digits than its factorization.

118116493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812.

The product of its digits is 5184, while the sum is 34.

The square root of 118116493 is about 10868.1411934148. The cubic root of 118116493 is about 490.6481676377.

It can be divided in two parts, 118 and 116493, that added together give a palindrome (116611).

The spelling of 118116493 in words is "one hundred eighteen million, one hundred sixteen thousand, four hundred ninety-three".