10006664002 has 4 divisors (see below), whose sum is σ = 15009996006. Its totient is φ = 5003332000.

The previous prime is 10006663999. The next prime is 10006664009. The reversal of 10006664002 is 20046660001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7645578721 + 2361085281 = 87439^2 + 48591^2 .

It is not an unprimeable number, because it can be changed into a prime (10006664009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501665999 + ... + 2501666002.

Almost surely, 2^10006664002 is an apocalyptic number.

10006664002 is a deficient number, since it is larger than the sum of its proper divisors (5003332004).

10006664002 is an equidigital number, since it uses as much as digits as its factorization.

10006664002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003332003.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 10006664002 in words is "ten billion, six million, six hundred sixty-four thousand, two".