2666511116 has 24 divisors (see below), whose sum is σ = 4796139600. Its totient is φ = 1296240192.

The previous prime is 2666511109. The next prime is 2666511121. The reversal of 2666511116 is 6111156662.

It is a super-2 number, since 2×2666511116² = 14220563063503130912, which contains 22 as substring.

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, 213410 + ... + 225558.

It is an arithmetic number, because the mean of its divisors is an integer number (199839150).

Almost surely, 2^2666511116 is an apocalyptic number.

It is an amenable number.

2666511116 is a deficient number, since it is larger than the sum of its proper divisors (2129628484).

2666511116 is a wasteful number, since it uses less digits than its factorization.

2666511116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13673 (or 13671 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 2666511116 is about 51638.2718146144. The cubic root of 2666511116 is about 1386.6955849749.

Adding to 2666511116 its reverse (6111156662), we get a palindrome (8777667778).

The spelling of 2666511116 in words is "two billion, six hundred sixty-six million, five hundred eleven thousand, one hundred sixteen".