2667494666 has 16 divisors (see below), whose sum is σ = 4074235200. Its totient is φ = 1309473888.

The previous prime is 2667494639. The next prime is 2667494677. The reversal of 2667494666 is 6664947662.

It is a Curzon number.

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, 81491 + ... + 109433.

It is an arithmetic number, because the mean of its divisors is an integer number (254639700).

Almost surely, 2^2667494666 is an apocalyptic number.

2667494666 is a deficient number, since it is larger than the sum of its proper divisors (1406740534).

2667494666 is a wasteful number, since it uses less digits than its factorization.

2667494666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28813.

The product of its digits is 15676416, while the sum is 56.

The square root of 2667494666 is about 51647.7943962760. The cubic root of 2667494666 is about 1386.8660595172.

The spelling of 2667494666 in words is "two billion, six hundred sixty-seven million, four hundred ninety-four thousand, six hundred sixty-six".