118144549593 has 80 divisors (see below), whose sum is σ = 210778611200. Its totient is φ = 65332280160.

The previous prime is 118144549573. The next prime is 118144549609. The reversal of 118144549593 is 395945441811.

118144549593 is a `hidden beast` number, since 1 + 1 + 8 + 1 + 4 + 4 + 5 + 49 + 593 = 666.

It is not a de Polignac number, because 118144549593 - 2⁶ = 118144549529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118144549513) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1980243 + ... + 2039031.

It is an arithmetic number, because the mean of its divisors is an integer number (2634732640).

Almost surely, 2^118144549593 is an apocalyptic number.

It is an amenable number.

118144549593 is a deficient number, since it is larger than the sum of its proper divisors (92634061607).

118144549593 is an frugal number, since it uses more digits than its factorization.

118144549593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58857 (or 58830 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 118144549593 in words is "one hundred eighteen billion, one hundred forty-four million, five hundred forty-nine thousand, five hundred ninety-three".