646560562002 has 32 divisors (see below), whose sum is σ = 1298655590400. Its totient is φ = 214597949328.

The previous prime is 646560562001. The next prime is 646560562007. The reversal of 646560562002 is 200265065646.

It is not an unprimeable number, because it can be changed into a prime (646560562001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25884123 + ... + 25909089.

It is an arithmetic number, because the mean of its divisors is an integer number (40582987200).

Almost surely, 2^646560562002 is an apocalyptic number.

646560562002 is an abundant number, since it is smaller than the sum of its proper divisors (652095028398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

646560562002 is a wasteful number, since it uses less digits than its factorization.

646560562002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43270.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 646560562002 in words is "six hundred forty-six billion, five hundred sixty million, five hundred sixty-two thousand, two".