2117592816 has 20 divisors (see below), whose sum is σ = 5470448232. Its totient is φ = 705864256.

The previous prime is 2117592803. The next prime is 2117592817. The reversal of 2117592816 is 6182957112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117592817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22058211 + ... + 22058306.

Almost surely, 2^2117592816 is an apocalyptic number.

It is an amenable number.

2117592816 is an abundant number, since it is smaller than the sum of its proper divisors (3352855416).

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

2117592816 is a wasteful number, since it uses less digits than its factorization.

2117592816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44116528 (or 44116522 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The square root of 2117592816 is about 46017.3099604920. The cubic root of 2117592816 is about 1284.1452558372.

The spelling of 2117592816 in words is "two billion, one hundred seventeen million, five hundred ninety-two thousand, eight hundred sixteen".