65164500167541 has 4 divisors (see below), whose sum is σ = 86886000223392. Its totient is φ = 43443000111692.

The previous prime is 65164500167479. The next prime is 65164500167671. The reversal of 65164500167541 is 14576100546156.

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 a cyclic number.

It is not a de Polignac number, because 65164500167541 - 2¹⁹ = 65164499643253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65164500167441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10860750027921 + ... + 10860750027926.

It is an arithmetic number, because the mean of its divisors is an integer number (21721500055848).

Almost surely, 2^{65164500167541} is an apocalyptic number.

It is an amenable number.

65164500167541 is a deficient number, since it is larger than the sum of its proper divisors (21721500055851).

65164500167541 is a wasteful number, since it uses less digits than its factorization.

65164500167541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21721500055850.

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 65164500167541 in words is "sixty-five trillion, one hundred sixty-four billion, five hundred million, one hundred sixty-seven thousand, five hundred forty-one".