3111246666 has 32 divisors (see below), whose sum is σ = 7542417600. Its totient is φ = 942801840.

The previous prime is 3111246661. The next prime is 3111246667. The reversal of 3111246666 is 6666421113.

It is a happy number.

It is a super-2 number, since 2×3111246666² = 19359711633392231112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3111246666.

It is not an unprimeable number, because it can be changed into a prime (3111246661) 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, 2618301 + ... + 2619488.

It is an arithmetic number, because the mean of its divisors is an integer number (235700550).

Almost surely, 2^3111246666 is an apocalyptic number.

3111246666 is an abundant number, since it is smaller than the sum of its proper divisors (4431170934).

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

3111246666 is a wasteful number, since it uses less digits than its factorization.

3111246666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237811 (or 5237805 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 3111246666 is about 55778.5502321457. The cubic root of 3111246666 is about 1459.8609153177.

Adding to 3111246666 its reverse (6666421113), we get a palindrome (9777667779).

The spelling of 3111246666 in words is "three billion, one hundred eleven million, two hundred forty-six thousand, six hundred sixty-six".