2666132618 has 16 divisors (see below), whose sum is σ = 4129906176. Its totient is φ = 1289532720.

The previous prime is 2666132563. The next prime is 2666132629. The reversal of 2666132618 is 8162316662.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172580 + ... + 187392.

It is an arithmetic number, because the mean of its divisors is an integer number (258119136).

Almost surely, 2^2666132618 is an apocalyptic number.

2666132618 is a deficient number, since it is larger than the sum of its proper divisors (1463773558).

2666132618 is a wasteful number, since it uses less digits than its factorization.

2666132618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17749.

The product of its digits is 124416, while the sum is 41.

The square root of 2666132618 is about 51634.6067865342. The cubic root of 2666132618 is about 1386.6299703548.

The spelling of 2666132618 in words is "two billion, six hundred sixty-six million, one hundred thirty-two thousand, six hundred eighteen".