6662945007 has 16 divisors (see below), whose sum is σ = 9877236480. Its totient is φ = 4439170296.

The previous prime is 6662944999. The next prime is 6662945057. The reversal of 6662945007 is 7005492666.

It is not a de Polignac number, because 6662945007 - 2³ = 6662944999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662945057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33393 + ... + 120170.

It is an arithmetic number, because the mean of its divisors is an integer number (617327280).

Almost surely, 2^6662945007 is an apocalyptic number.

6662945007 is a deficient number, since it is larger than the sum of its proper divisors (3214291473).

6662945007 is a wasteful number, since it uses less digits than its factorization.

6662945007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155179 (or 155173 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 6662945007 is about 81626.8644932537. The cubic root of 6662945007 is about 1881.7217709882.

The spelling of 6662945007 in words is "six billion, six hundred sixty-two million, nine hundred forty-five thousand, seven".