646466246002 has 16 divisors (see below), whose sum is σ = 982057127040. Its totient is φ = 319114562832.

The previous prime is 646466245987. The next prime is 646466246017. The reversal of 646466246002 is 200642664646.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (646466245987) and next prime (646466246017).

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, 1769013 + ... + 2102935.

It is an arithmetic number, because the mean of its divisors is an integer number (61378570440).

Almost surely, 2^646466246002 is an apocalyptic number.

646466246002 is a deficient number, since it is larger than the sum of its proper divisors (335590881038).

646466246002 is a wasteful number, since it uses less digits than its factorization.

646466246002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346257.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 646466246002 in words is "six hundred forty-six billion, four hundred sixty-six million, two hundred forty-six thousand, two".