2502666666 has 16 divisors (see below), whose sum is σ = 5561481600. Its totient is φ = 834222204.

The previous prime is 2502666659. The next prime is 2502666671. The reversal of 2502666666 is 6666662052.

2502666666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2502666666² = 12526680882215111112, which contains 22 as substring.

2502666666 is a modest number, since divided by 66666 gives 25026 as remainder.

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, 23172786 + ... + 23172893.

It is an arithmetic number, because the mean of its divisors is an integer number (347592600).

Almost surely, 2^2502666666 is an apocalyptic number.

2502666666 is an abundant number, since it is smaller than the sum of its proper divisors (3058814934).

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

2502666666 is a wasteful number, since it uses less digits than its factorization.

2502666666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46345690 (or 46345684 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The square root of 2502666666 is about 50026.6595526825. The cubic root of 2502666666 is about 1357.6911998323.

The spelling of 2502666666 in words is "two billion, five hundred two million, six hundred sixty-six thousand, six hundred sixty-six".