50641666646 has 32 divisors (see below), whose sum is σ = 77690164608. Its totient is φ = 24752165760.

The previous prime is 50641666633. The next prime is 50641666693. The reversal of 50641666646 is 64666614605.

50641666646 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 = 50641666594 and 50641666603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12959825 + ... + 12963731.

It is an arithmetic number, because the mean of its divisors is an integer number (2427817644).

Almost surely, 2^50641666646 is an apocalyptic number.

50641666646 is a deficient number, since it is larger than the sum of its proper divisors (27048497962).

50641666646 is a wasteful number, since it uses less digits than its factorization.

50641666646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 50641666646 in words is "fifty billion, six hundred forty-one million, six hundred sixty-six thousand, six hundred forty-six".