667672304684 has 96 divisors (see below), whose sum is σ = 1545012403200. Its totient is φ = 244420300800.

The previous prime is 667672304683. The next prime is 667672304707. The reversal of 667672304684 is 486403276766.

It is not an unprimeable number, because it can be changed into a prime (667672304683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3029924 + ... + 3242804.

It is an arithmetic number, because the mean of its divisors is an integer number (16093879200).

Almost surely, 2^667672304684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667672304684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772506201600).

667672304684 is an abundant number, since it is smaller than the sum of its proper divisors (877340098516).

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

667672304684 is a wasteful number, since it uses less digits than its factorization.

667672304684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213519 (or 213517 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 59.

The spelling of 667672304684 in words is "six hundred sixty-seven billion, six hundred seventy-two million, three hundred four thousand, six hundred eighty-four".