667672842675 has 24 divisors (see below), whose sum is σ = 1106447040000. Its totient is φ = 355265965600.

The previous prime is 667672842647. The next prime is 667672842701. The reversal of 667672842675 is 576248276766.

It is a happy number.

It is not a de Polignac number, because 667672842675 - 2²¹ = 667670745523 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10295175 + ... + 10359824.

It is an arithmetic number, because the mean of its divisors is an integer number (46101960000).

Almost surely, 2^667672842675 is an apocalyptic number.

667672842675 is a deficient number, since it is larger than the sum of its proper divisors (438774197325).

667672842675 is a wasteful number, since it uses less digits than its factorization.

667672842675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20655443 (or 20655438 counting only the distinct ones).

The product of its digits is 284497920, while the sum is 66.

The spelling of 667672842675 in words is "six hundred sixty-seven billion, six hundred seventy-two million, eight hundred forty-two thousand, six hundred seventy-five".