7666660107 has 12 divisors (see below), whose sum is σ = 11096087184. Its totient is φ = 5100942480.

The previous prime is 7666660063. The next prime is 7666660109. The reversal of 7666660107 is 7010666667.

It is not a de Polignac number, because 7666660107 - 2²² = 7662465803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7666660109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842244 + ... + 851297.

It is an arithmetic number, because the mean of its divisors is an integer number (924673932).

Almost surely, 2^7666660107 is an apocalyptic number.

7666660107 is a deficient number, since it is larger than the sum of its proper divisors (3429427077).

7666660107 is a wasteful number, since it uses less digits than its factorization.

7666660107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694050 (or 1694047 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 7666660107 is about 87559.4661187470. The cubic root of 7666660107 is about 1971.8266708626.

The spelling of 7666660107 in words is "seven billion, six hundred sixty-six million, six hundred sixty thousand, one hundred seven".