2116053565 has 8 divisors (see below), whose sum is σ = 2552025600. Its totient is φ = 1684335312.

The previous prime is 2116053557. The next prime is 2116053581. The reversal of 2116053565 is 5653506112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2116053565 - 2³ = 2116053557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2116053565.

It is a congruent number.

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, 1062349 + ... + 1064338.

It is an arithmetic number, because the mean of its divisors is an integer number (319003200).

Almost surely, 2^2116053565 is an apocalyptic number.

It is an amenable number.

2116053565 is a deficient number, since it is larger than the sum of its proper divisors (435972035).

2116053565 is a wasteful number, since it uses less digits than its factorization.

2116053565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126891.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 2116053565 is about 46000.5822245762. The cubic root of 2116053565 is about 1283.8340375245.

Adding to 2116053565 its reverse (5653506112), we get a palindrome (7769559677).

The spelling of 2116053565 in words is "two billion, one hundred sixteen million, fifty-three thousand, five hundred sixty-five".