52501664167 has 16 divisors (see below), whose sum is σ = 53497616832. Its totient is φ = 51513753600.

The previous prime is 52501664153. The next prime is 52501664191. The reversal of 52501664167 is 76146610525.

It is a cyclic number.

It is not a de Polignac number, because 52501664167 - 2¹⁹ = 52501139879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52501664107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20579542 + ... + 20582092.

It is an arithmetic number, because the mean of its divisors is an integer number (3343601052).

Almost surely, 2^52501664167 is an apocalyptic number.

52501664167 is a deficient number, since it is larger than the sum of its proper divisors (995952665).

52501664167 is a wasteful number, since it uses less digits than its factorization.

52501664167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 52501664167 in words is "fifty-two billion, five hundred one million, six hundred sixty-four thousand, one hundred sixty-seven".