50501666163 has 48 divisors (see below), whose sum is σ = 73979550720. Its totient is φ = 30625201152.

The previous prime is 50501666161. The next prime is 50501666167. The reversal of 50501666163 is 36166610505.

It is not a de Polignac number, because 50501666163 - 2¹ = 50501666161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (50501666161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29758531 + ... + 29760227.

It is an arithmetic number, because the mean of its divisors is an integer number (1541240640).

Almost surely, 2^50501666163 is an apocalyptic number.

50501666163 is a deficient number, since it is larger than the sum of its proper divisors (23477884557).

50501666163 is a wasteful number, since it uses less digits than its factorization.

50501666163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548 (or 2535 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 50501666163 in words is "fifty billion, five hundred one million, six hundred sixty-six thousand, one hundred sixty-three".