50166610565 has 16 divisors (see below), whose sum is σ = 61310943360. Its totient is φ = 39394630080.

The previous prime is 50166610561. The next prime is 50166610597. The reversal of 50166610565 is 56501666105.

It is not a de Polignac number, because 50166610565 - 2² = 50166610561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50166610561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74120 + ... + 325310.

It is an arithmetic number, because the mean of its divisors is an integer number (3831933960).

Almost surely, 2^50166610565 is an apocalyptic number.

It is an amenable number.

50166610565 is a deficient number, since it is larger than the sum of its proper divisors (11144332795).

50166610565 is a wasteful number, since it uses less digits than its factorization.

50166610565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251932.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 50166610565 in words is "fifty billion, one hundred sixty-six million, six hundred ten thousand, five hundred sixty-five".