2116588686 has 32 divisors (see below), whose sum is σ = 4263214848. Its totient is φ = 700539840.

The previous prime is 2116588673. The next prime is 2116588687. The reversal of 2116588686 is 6868856112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116588687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614826 + ... + 618258.

It is an arithmetic number, because the mean of its divisors is an integer number (133225464).

Almost surely, 2^2116588686 is an apocalyptic number.

2116588686 is an abundant number, since it is smaller than the sum of its proper divisors (2146626162).

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

2116588686 is a wasteful number, since it uses less digits than its factorization.

2116588686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136.

The product of its digits is 1105920, while the sum is 51.

The square root of 2116588686 is about 46006.3983158865. The cubic root of 2116588686 is about 1283.9422497585.

The spelling of 2116588686 in words is "two billion, one hundred sixteen million, five hundred eighty-eight thousand, six hundred eighty-six".