2116556707 has 8 divisors (see below), whose sum is σ = 2187226800. Its totient is φ = 2046861600.

The previous prime is 2116556693. The next prime is 2116556719. The reversal of 2116556707 is 7076556112.

It is a happy number.

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 2116556707 - 2¹⁵ = 2116523939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2116556707.

It is not an unprimeable number, because it can be changed into a prime (2116556107) 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, 239332 + ... + 248017.

It is an arithmetic number, because the mean of its divisors is an integer number (273403350).

Almost surely, 2^2116556707 is an apocalyptic number.

2116556707 is a deficient number, since it is larger than the sum of its proper divisors (70670093).

2116556707 is a wasteful number, since it uses less digits than its factorization.

2116556707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487493.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 2116556707 is about 46006.0507650896. The cubic root of 2116556707 is about 1283.9357834736.

The spelling of 2116556707 in words is "two billion, one hundred sixteen million, five hundred fifty-six thousand, seven hundred seven".