2666889115 has 16 divisors (see below), whose sum is σ = 3674949120. Its totient is φ = 1837473120.

The previous prime is 2666889109. The next prime is 2666889119. The reversal of 2666889115 is 5119886662.

It is not a de Polignac number, because 2666889115 - 2³ = 2666889107 is a prime.

It is a super-2 number, since 2×2666889115² = 14224595103410966450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666889119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1274979 + ... + 1277068.

It is an arithmetic number, because the mean of its divisors is an integer number (229684320).

Almost surely, 2^2666889115 is an apocalyptic number.

2666889115 is a deficient number, since it is larger than the sum of its proper divisors (1008060005).

2666889115 is a wasteful number, since it uses less digits than its factorization.

2666889115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552082.

The product of its digits is 1244160, while the sum is 52.

The square root of 2666889115 is about 51641.9317512426. The cubic root of 2666889115 is about 1386.7611068941.

The spelling of 2666889115 in words is "two billion, six hundred sixty-six million, eight hundred eighty-nine thousand, one hundred fifteen".