646068002 has 16 divisors (see below), whose sum is σ = 984463200. Its totient is φ = 317922528.

The previous prime is 646067971. The next prime is 646068011. The reversal of 646068002 is 200860646.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 646068002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280118 + ... + 282414.

It is an arithmetic number, because the mean of its divisors is an integer number (61528950).

Almost surely, 2^646068002 is an apocalyptic number.

646068002 is a deficient number, since it is larger than the sum of its proper divisors (338395198).

646068002 is a wasteful number, since it uses less digits than its factorization.

646068002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 646068002 is about 25417.8677705271. The cubic root of 646068002 is about 864.4888788815.

The spelling of 646068002 in words is "six hundred forty-six million, sixty-eight thousand, two".