2116865381160 has 32 divisors (see below), whose sum is σ = 6350596143840. Its totient is φ = 564497434944.

The previous prime is 2116865381143. The next prime is 2116865381161. The reversal of 2116865381160 is 611835686112.

It is a super-2 number, since 2×2116865381160² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2116865381161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8820272302 + ... + 8820272541.

It is an arithmetic number, because the mean of its divisors is an integer number (198456129495).

Almost surely, 2^{2116865381160} is an apocalyptic number.

2116865381160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116865381160 is an abundant number, since it is smaller than the sum of its proper divisors (4233730762680).

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

2116865381160 is a wasteful number, since it uses less digits than its factorization.

2116865381160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17640544857 (or 17640544853 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 2116865381160 in words is "two trillion, one hundred sixteen billion, eight hundred sixty-five million, three hundred eighty-one thousand, one hundred sixty".