667883122072 has 16 divisors (see below), whose sum is σ = 1269435387240. Its totient is φ = 329367018816.

The previous prime is 667883122061. The next prime is 667883122147. The reversal of 667883122072 is 270221388766.

It is a happy number.

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, 571817158 + ... + 571818325.

Almost surely, 2^667883122072 is an apocalyptic number.

It is an amenable number.

667883122072 is a deficient number, since it is larger than the sum of its proper divisors (601552265168).

667883122072 is a wasteful number, since it uses less digits than its factorization.

667883122072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143635562 (or 1143635558 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 667883122072 in words is "six hundred sixty-seven billion, eight hundred eighty-three million, one hundred twenty-two thousand, seventy-two".