6665100002 has 32 divisors (see below), whose sum is σ = 11555581824. Its totient is φ = 2849529600.

The previous prime is 6665099963. The next prime is 6665100031. The reversal of 6665100002 is 2000015666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679928 + ... + 689660.

It is an arithmetic number, because the mean of its divisors is an integer number (361111932).

Almost surely, 2^6665100002 is an apocalyptic number.

6665100002 is a deficient number, since it is larger than the sum of its proper divisors (4890481822).

6665100002 is a wasteful number, since it uses less digits than its factorization.

6665100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11594.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 6665100002 is about 81640.0637064916. The cubic root of 6665100002 is about 1881.9246174223.

Adding to 6665100002 its reverse (2000015666), we get a palindrome (8665115668).

The spelling of 6665100002 in words is "six billion, six hundred sixty-five million, one hundred thousand, two".