2113694166 has 16 divisors (see below), whose sum is σ = 4307151024. Its totient is φ = 691270944.

The previous prime is 2113694161. The next prime is 2113694207. The reversal of 2113694166 is 6614963112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113694161) 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, 3323101 + ... + 3323736.

It is an arithmetic number, because the mean of its divisors is an integer number (269196939).

Almost surely, 2^2113694166 is an apocalyptic number.

2113694166 is an abundant number, since it is smaller than the sum of its proper divisors (2193456858).

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

2113694166 is a wasteful number, since it uses less digits than its factorization.

2113694166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6646895.

The product of its digits is 46656, while the sum is 39.

The square root of 2113694166 is about 45974.9297552481. The cubic root of 2113694166 is about 1283.3567019001.

The spelling of 2113694166 in words is "two billion, one hundred thirteen million, six hundred ninety-four thousand, one hundred sixty-six".