646050219672 has 64 divisors (see below), whose sum is σ = 1897490165760. Its totient is φ = 180713347200.

The previous prime is 646050219631. The next prime is 646050219697. The reversal of 646050219672 is 276912050646.

It is a congruent number.

It is an unprimeable number.

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, 94118104 + ... + 94124967.

It is an arithmetic number, because the mean of its divisors is an integer number (29648283840).

Almost surely, 2^646050219672 is an apocalyptic number.

It is an amenable number.

646050219672 is an abundant number, since it is smaller than the sum of its proper divisors (1251439946088).

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

646050219672 is a wasteful number, since it uses less digits than its factorization.

646050219672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188243104 (or 188243100 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 646050219672 in words is "six hundred forty-six billion, fifty million, two hundred nineteen thousand, six hundred seventy-two".