6680999607 has 8 divisors (see below), whose sum is σ = 8976000000. Its totient is φ = 4419999480.

The previous prime is 6680999599. The next prime is 6680999617. The reversal of 6680999607 is 7069990866.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6680999607 - 2³ = 6680999599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680999617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8499607 + ... + 8500392.

It is an arithmetic number, because the mean of its divisors is an integer number (1122000000).

Almost surely, 2^6680999607 is an apocalyptic number.

6680999607 is a deficient number, since it is larger than the sum of its proper divisors (2295000393).

6680999607 is a wasteful number, since it uses less digits than its factorization.

6680999607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17000133.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The square root of 6680999607 is about 81737.3819436370. The cubic root of 6680999607 is about 1883.4198736402.

The spelling of 6680999607 in words is "six billion, six hundred eighty million, nine hundred ninety-nine thousand, six hundred seven".