667233110666 has 16 divisors (see below), whose sum is σ = 1032148630080. Its totient is φ = 323342849760.

The previous prime is 667233110659. The next prime is 667233110683. The reversal of 667233110666 is 666011332766.

It is a self number, because there is not a number n which added to its sum of digits gives 667233110666.

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, 39812171 + ... + 39828926.

It is an arithmetic number, because the mean of its divisors is an integer number (64509289380).

Almost surely, 2^667233110666 is an apocalyptic number.

667233110666 is a deficient number, since it is larger than the sum of its proper divisors (364915519414).

667233110666 is a wasteful number, since it uses less digits than its factorization.

667233110666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79641229.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 667233110666 in words is "six hundred sixty-seven billion, two hundred thirty-three million, one hundred ten thousand, six hundred sixty-six".