2116639565160 has 128 divisors (see below), whose sum is σ = 6387123456000. Its totient is φ = 561131847936.

The previous prime is 2116639565143. The next prime is 2116639565171. The reversal of 2116639565160 is 615659366112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94994901 + ... + 95017179.

It is an arithmetic number, because the mean of its divisors is an integer number (49899402000).

Almost surely, 2^{2116639565160} is an apocalyptic number.

2116639565160 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 2116639565160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3193561728000).

2116639565160 is an abundant number, since it is smaller than the sum of its proper divisors (4270483890840).

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

2116639565160 is a wasteful number, since it uses less digits than its factorization.

2116639565160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26895 (or 26891 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 2116639565160 in words is "two trillion, one hundred sixteen billion, six hundred thirty-nine million, five hundred sixty-five thousand, one hundred sixty".