2118736544 has 24 divisors (see below), whose sum is σ = 4172339808. Its totient is φ = 1059094720.

The previous prime is 2118736523. The next prime is 2118736559. The reversal of 2118736544 is 4456378112.

It is a super-3 number, since 3×2118736544³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184079 + ... + 195249.

It is an arithmetic number, because the mean of its divisors is an integer number (173847492).

Almost surely, 2^2118736544 is an apocalyptic number.

It is an amenable number.

2118736544 is a deficient number, since it is larger than the sum of its proper divisors (2053603264).

2118736544 is a wasteful number, since it uses less digits than its factorization.

2118736544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17108 (or 17100 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 2118736544 is about 46029.7354326527. The cubic root of 2118736544 is about 1284.3764064362.

The spelling of 2118736544 in words is "two billion, one hundred eighteen million, seven hundred thirty-six thousand, five hundred forty-four".