52165846637 has 2 divisors, whose sum is σ = 52165846638. Its totient is φ = 52165846636.

The previous prime is 52165846619. The next prime is 52165846651. The reversal of 52165846637 is 73664856125.

It is a happy number.

52165846637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37210024201 + 14955822436 = 192899^2 + 122294^2 .

It is a cyclic number.

It is not a de Polignac number, because 52165846637 - 2²⁴ = 52149069421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52165842637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26082923318 + 26082923319.

It is an arithmetic number, because the mean of its divisors is an integer number (26082923319).

Almost surely, 2^52165846637 is an apocalyptic number.

It is an amenable number.

52165846637 is a deficient number, since it is larger than the sum of its proper divisors (1).

52165846637 is an equidigital number, since it uses as much as digits as its factorization.

52165846637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 53.

The spelling of 52165846637 in words is "fifty-two billion, one hundred sixty-five million, eight hundred forty-six thousand, six hundred thirty-seven".