667672842652 has 12 divisors (see below), whose sum is σ = 1184433330976. Its totient is φ = 329263319520.

The previous prime is 667672842647. The next prime is 667672842701. The reversal of 667672842652 is 256248276766.

667672842652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1143275124 + ... + 1143275707.

Almost surely, 2^667672842652 is an apocalyptic number.

It is an amenable number.

667672842652 is a deficient number, since it is larger than the sum of its proper divisors (516760488324).

667672842652 is a wasteful number, since it uses less digits than its factorization.

667672842652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286550908 (or 2286550906 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 61.

The spelling of 667672842652 in words is "six hundred sixty-seven billion, six hundred seventy-two million, eight hundred forty-two thousand, six hundred fifty-two".