2666889116 has 24 divisors (see below), whose sum is σ = 4801831440. Its totient is φ = 1295222400.

The previous prime is 2666889109. The next prime is 2666889119. The reversal of 2666889116 is 6119886662.

It is a super-2 number, since 2×2666889116² = 14224595114078522912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666889119) 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, 2051 + ... + 73061.

It is an arithmetic number, because the mean of its divisors is an integer number (200076310).

Almost surely, 2^2666889116 is an apocalyptic number.

It is an amenable number.

2666889116 is a deficient number, since it is larger than the sum of its proper divisors (2134942324).

2666889116 is a wasteful number, since it uses less digits than its factorization.

2666889116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71285 (or 71283 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 53.

The square root of 2666889116 is about 51641.9317609247. The cubic root of 2666889116 is about 1386.7611070674.

The spelling of 2666889116 in words is "two billion, six hundred sixty-six million, eight hundred eighty-nine thousand, one hundred sixteen".