2110661166 has 16 divisors (see below), whose sum is σ = 4268754000. Its totient is φ = 695648448.

The previous prime is 2110661153. The next prime is 2110661173. The reversal of 2110661166 is 6611660112.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1975741 + ... + 1976808.

It is an arithmetic number, because the mean of its divisors is an integer number (266797125).

Almost surely, 2^2110661166 is an apocalyptic number.

2110661166 is an abundant number, since it is smaller than the sum of its proper divisors (2158092834).

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

2110661166 is a wasteful number, since it uses less digits than its factorization.

2110661166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952643.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 2110661166 is about 45941.9325453338. The cubic root of 2110661166 is about 1282.7425663569.

The spelling of 2110661166 in words is "two billion, one hundred ten million, six hundred sixty-one thousand, one hundred sixty-six".