52168520366841 has 4 divisors (see below), whose sum is σ = 69558027155792. Its totient is φ = 34779013577892.

The previous prime is 52168520366747. The next prime is 52168520366867. The reversal of 52168520366841 is 14866302586125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52168520366841 - 2¹³ = 52168520358649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52168520366881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8694753394471 + ... + 8694753394476.

It is an arithmetic number, because the mean of its divisors is an integer number (17389506788948).

Almost surely, 2^{52168520366841} is an apocalyptic number.

It is an amenable number.

52168520366841 is a deficient number, since it is larger than the sum of its proper divisors (17389506788951).

52168520366841 is a wasteful number, since it uses less digits than its factorization.

52168520366841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17389506788950.

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 52168520366841 in words is "fifty-two trillion, one hundred sixty-eight billion, five hundred twenty million, three hundred sixty-six thousand, eight hundred forty-one".