667672452208 has 20 divisors (see below), whose sum is σ = 1293643830960. Its totient is φ = 333828882944.

The previous prime is 667672452197. The next prime is 667672452217. The reversal of 667672452208 is 802254276766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332541 + ... + 1202467.

It is an arithmetic number, because the mean of its divisors is an integer number (64682191548).

Almost surely, 2^667672452208 is an apocalyptic number.

It is an amenable number.

667672452208 is a deficient number, since it is larger than the sum of its proper divisors (625971378752).

667672452208 is a wasteful number, since it uses less digits than its factorization.

667672452208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917904 (or 917898 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 667672452208 in words is "six hundred sixty-seven billion, six hundred seventy-two million, four hundred fifty-two thousand, two hundred eight".