6663387007 has 8 divisors (see below), whose sum is σ = 6707828736. Its totient is φ = 6618999672.

The previous prime is 6663386923. The next prime is 6663387047. The reversal of 6663387007 is 7007833666.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6663387007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663387047) 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, 248958 + ... + 274420.

It is an arithmetic number, because the mean of its divisors is an integer number (838478592).

Almost surely, 2^6663387007 is an apocalyptic number.

6663387007 is a deficient number, since it is larger than the sum of its proper divisors (44441729).

6663387007 is a wasteful number, since it uses less digits than its factorization.

6663387007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27197.

The product of its (nonzero) digits is 762048, while the sum is 46.

The square root of 6663387007 is about 81629.5718903389. The cubic root of 6663387007 is about 1881.7633793476.

The spelling of 6663387007 in words is "six billion, six hundred sixty-three million, three hundred eighty-seven thousand, seven".