6628670001 has 24 divisors (see below), whose sum is σ = 9753700320. Its totient is φ = 4336776000.

The previous prime is 6628669997. The next prime is 6628670017. The reversal of 6628670001 is 1000768266.

It is a happy number.

It is not a de Polignac number, because 6628670001 - 2² = 6628669997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6628670401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308746 + ... + 329516.

It is an arithmetic number, because the mean of its divisors is an integer number (406404180).

Almost surely, 2^6628670001 is an apocalyptic number.

It is an amenable number.

6628670001 is a deficient number, since it is larger than the sum of its proper divisors (3125030319).

6628670001 is a wasteful number, since it uses less digits than its factorization.

6628670001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21437 (or 21434 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 6628670001 is about 81416.6444960734. The cubic root of 6628670001 is about 1878.4896199456.

The spelling of 6628670001 in words is "six billion, six hundred twenty-eight million, six hundred seventy thousand, one".