666666703674 has 48 divisors (see below), whose sum is σ = 1520544242880. Its totient is φ = 210515760000.

The previous prime is 666666703669. The next prime is 666666703679. The reversal of 666666703674 is 476307666666.

It is an interprime number because it is at equal distance from previous prime (666666703669) and next prime (666666703679).

It is not an unprimeable number, because it can be changed into a prime (666666703679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9488674 + ... + 9558674.

It is an arithmetic number, because the mean of its divisors is an integer number (31678005060).

Almost surely, 2^666666703674 is an apocalyptic number.

666666703674 is an abundant number, since it is smaller than the sum of its proper divisors (853877539206).

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

666666703674 is a wasteful number, since it uses less digits than its factorization.

666666703674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97875 (or 97872 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 63.

It can be divided in two parts, 666666 and 703674, that added together give a triangular number (1370340 = T₁₆₅₅).

The spelling of 666666703674 in words is "six hundred sixty-six billion, six hundred sixty-six million, seven hundred three thousand, six hundred seventy-four".