2116565050620 has 96 divisors (see below), whose sum is σ = 6081601538880. Its totient is φ = 549682954240.

The previous prime is 2116565050559. The next prime is 2116565050627. The reversal of 2116565050620 is 260505656112.

It is a happy number.

It is a super-2 number, since 2×2116565050620² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116565050627) 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, 643684 + ... + 2155796.

It is an arithmetic number, because the mean of its divisors is an integer number (63350016030).

Almost surely, 2^{2116565050620} is an apocalyptic number.

2116565050620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2116565050620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3040800769440).

2116565050620 is an abundant number, since it is smaller than the sum of its proper divisors (3965036488260).

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

2116565050620 is a wasteful number, since it uses less digits than its factorization.

2116565050620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512735 (or 1512733 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 2116565050620 in words is "two trillion, one hundred sixteen billion, five hundred sixty-five million, fifty thousand, six hundred twenty".