2118966374 has 64 divisors (see below), whose sum is σ = 4083609600. Its totient is φ = 803779200.

The previous prime is 2118966373. The next prime is 2118966383. The reversal of 2118966374 is 4736698112.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118966373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234704 + ... + 243564.

It is an arithmetic number, because the mean of its divisors is an integer number (63806400).

Almost surely, 2^2118966374 is an apocalyptic number.

2118966374 is a deficient number, since it is larger than the sum of its proper divisors (1964643226).

2118966374 is a wasteful number, since it uses less digits than its factorization.

2118966374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8949.

The product of its digits is 435456, while the sum is 47.

The square root of 2118966374 is about 46032.2319033088. The cubic root of 2118966374 is about 1284.4228456781.

The spelling of 2118966374 in words is "two billion, one hundred eighteen million, nine hundred sixty-six thousand, three hundred seventy-four".