2117746056 has 32 divisors (see below), whose sum is σ = 5302663200. Its totient is φ = 704808960.

The previous prime is 2117746027. The next prime is 2117746073. The reversal of 2117746056 is 6506477112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53446 + ... + 84213.

It is an arithmetic number, because the mean of its divisors is an integer number (165708225).

Almost surely, 2^2117746056 is an apocalyptic number.

It is an amenable number.

2117746056 is an abundant number, since it is smaller than the sum of its proper divisors (3184917144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2117746056 is a wasteful number, since it uses less digits than its factorization.

2117746056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138309 (or 138305 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 2117746056 is about 46018.9749559896. The cubic root of 2117746056 is about 1284.1762308939.

The spelling of 2117746056 in words is "two billion, one hundred seventeen million, seven hundred forty-six thousand, fifty-six".