648613316846 has 16 divisors (see below), whose sum is σ = 1064259267840. Its totient is φ = 294020895480.

The previous prime is 648613316833. The next prime is 648613316863.

648613316846 is nontrivially palindromic in base 10.

648613316846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 648613316791 and 648613316800.

It is a congruent number.

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, 40158716 + ... + 40174863.

It is an arithmetic number, because the mean of its divisors is an integer number (66516204240).

Almost surely, 2^648613316846 is an apocalyptic number.

648613316846 is a deficient number, since it is larger than the sum of its proper divisors (415645950994).

648613316846 is a wasteful number, since it uses less digits than its factorization.

648613316846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80333959.

The product of its digits is 11943936, while the sum is 56.

The spelling of 648613316846 in words is "six hundred forty-eight billion, six hundred thirteen million, three hundred sixteen thousand, eight hundred forty-six".