667702225136 has 20 divisors (see below), whose sum is σ = 1335404451264. Its totient is φ = 323081721600.

The previous prime is 667702225117. The next prime is 667702225147. The reversal of 667702225136 is 631522207766.

667702225136 is an admirable number.

It is a super-2 number, since 2×667702225136² (a number of 24 digits) contains 22 as substring.

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, 673086425 + ... + 673087416.

Almost surely, 2^667702225136 is an apocalyptic number.

It is an amenable number.

667702225136 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

667702225136 is a wasteful number, since it uses less digits than its factorization.

667702225136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346173880 (or 1346173874 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 667702225136 in words is "six hundred sixty-seven billion, seven hundred two million, two hundred twenty-five thousand, one hundred thirty-six".