50643354166 has 16 divisors (see below), whose sum is σ = 78713699328. Its totient is φ = 24411666600.

The previous prime is 50643354143. The next prime is 50643354173. The reversal of 50643354166 is 66145334605.

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, 1536600 + ... + 1569211.

It is an arithmetic number, because the mean of its divisors is an integer number (4919606208).

Almost surely, 2^50643354166 is an apocalyptic number.

50643354166 is a deficient number, since it is larger than the sum of its proper divisors (28070345162).

50643354166 is a wasteful number, since it uses less digits than its factorization.

50643354166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106107.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 50643354166 in words is "fifty billion, six hundred forty-three million, three hundred fifty-four thousand, one hundred sixty-six".