6670136768 has 28 divisors (see below), whose sum is σ = 13243910520. Its totient is φ = 3333088512.

The previous prime is 6670136749. The next prime is 6670136807. The reversal of 6670136768 is 8676310766.

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, 80843 + ... + 140981.

Almost surely, 2^6670136768 is an apocalyptic number.

It is an amenable number.

6670136768 is a deficient number, since it is larger than the sum of its proper divisors (6573773752).

6670136768 is a wasteful number, since it uses less digits than its factorization.

6670136768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61884 (or 61874 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 6670136768 is about 81670.9052723184. The cubic root of 6670136768 is about 1882.3985501584.

The spelling of 6670136768 in words is "six billion, six hundred seventy million, one hundred thirty-six thousand, seven hundred sixty-eight".