2066169876 has 24 divisors (see below), whose sum is σ = 4823226240. Its totient is φ = 688414272.

The previous prime is 2066169811. The next prime is 2066169899. The reversal of 2066169876 is 6789616602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9916 + ... + 65043.

It is an arithmetic number, because the mean of its divisors is an integer number (200967760).

Almost surely, 2^2066169876 is an apocalyptic number.

It is an amenable number.

2066169876 is an abundant number, since it is smaller than the sum of its proper divisors (2757056364).

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

2066169876 is a wasteful number, since it uses less digits than its factorization.

2066169876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77263 (or 77261 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 2066169876 is about 45455.1413593666. The cubic root of 2066169876 is about 1273.6653728410.

The spelling of 2066169876 in words is "two billion, sixty-six million, one hundred sixty-nine thousand, eight hundred seventy-six".