3366256666 has 32 divisors (see below), whose sum is σ = 5436979200. Its totient is φ = 1557513216.

The previous prime is 3366256651. The next prime is 3366256667. The reversal of 3366256666 is 6666526633.

It is a happy number.

It is a super-2 number, since 2×3366256666² = 22663367882778871112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3366256667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484485 + ... + 491383.

It is an arithmetic number, because the mean of its divisors is an integer number (169905600).

Almost surely, 2^3366256666 is an apocalyptic number.

3366256666 is a deficient number, since it is larger than the sum of its proper divisors (2070722534).

3366256666 is a wasteful number, since it uses less digits than its factorization.

3366256666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7158.

The product of its digits is 4199040, while the sum is 49.

The square root of 3366256666 is about 58019.4507557595. The cubic root of 3366256666 is about 1498.7035710968.

The spelling of 3366256666 in words is "three billion, three hundred sixty-six million, two hundred fifty-six thousand, six hundred sixty-six".