50161106666 has 32 divisors (see below), whose sum is σ = 84548632896. Its totient is φ = 22121424000.

The previous prime is 50161106659. The next prime is 50161106753. The reversal of 50161106666 is 66660116105.

It is a happy number.

It is a super-2 number, since 2×50161106666² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 9641 + ... + 316883.

It is an arithmetic number, because the mean of its divisors is an integer number (2642144778).

Almost surely, 2^50161106666 is an apocalyptic number.

50161106666 is a deficient number, since it is larger than the sum of its proper divisors (34387526230).

50161106666 is a wasteful number, since it uses less digits than its factorization.

50161106666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307478.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 50161106666 in words is "fifty billion, one hundred sixty-one million, one hundred six thousand, six hundred sixty-six".