2118536068 has 24 divisors (see below), whose sum is σ = 4054165920. Its totient is φ = 960664320.

The previous prime is 2118536059. The next prime is 2118536089. The reversal of 2118536068 is 8606358112.

It is a self number, because there is not a number n which added to its sum of digits gives 2118536068.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39021 + ... + 75892.

It is an arithmetic number, because the mean of its divisors is an integer number (168923580).

Almost surely, 2^2118536068 is an apocalyptic number.

It is an amenable number.

2118536068 is a deficient number, since it is larger than the sum of its proper divisors (1935629852).

2118536068 is a wasteful number, since it uses less digits than its factorization.

2118536068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115347 (or 115345 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 2118536068 is about 46027.5577018812. The cubic root of 2118536068 is about 1284.3358956946.

The spelling of 2118536068 in words is "two billion, one hundred eighteen million, five hundred thirty-six thousand, sixty-eight".