667672678360 has 32 divisors (see below), whose sum is σ = 1507686885360. Its totient is φ = 266104918656.

The previous prime is 667672678303. The next prime is 667672678373. The reversal of 667672678360 is 63876276766.

It is a happy number.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 667672678292 and 667672678301.

It is a congruent number.

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, 30118554 + ... + 30140713.

Almost surely, 2^667672678360 is an apocalyptic number.

It is an amenable number.

667672678360 is an abundant number, since it is smaller than the sum of its proper divisors (840014207000).

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

667672678360 is a wasteful number, since it uses less digits than its factorization.

667672678360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60259555 (or 60259551 counting only the distinct ones).

The product of its (nonzero) digits is 128024064, while the sum is 64.

The spelling of 667672678360 in words is "six hundred sixty-seven billion, six hundred seventy-two million, six hundred seventy-eight thousand, three hundred sixty".