165136047257101 has 8 divisors (see below), whose sum is σ = 165207134070720. Its totient is φ = 165064962868512.

The previous prime is 165136047257063. The next prime is 165136047257143. The reversal of 165136047257101 is 101752740631561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165136047257101 - 2⁹ = 165136047256589 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 (165136047251101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142912201 + ... + 144063073.

It is an arithmetic number, because the mean of its divisors is an integer number (20650891758840).

Almost surely, 2^{165136047257101} is an apocalyptic number.

It is an amenable number.

165136047257101 is a deficient number, since it is larger than the sum of its proper divisors (71086813619).

165136047257101 is a wasteful number, since it uses less digits than its factorization.

165136047257101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212515.

The product of its (nonzero) digits is 1058400, while the sum is 49.

Adding to 165136047257101 its reverse (101752740631561), we get a palindrome (266888787888662).

The spelling of 165136047257101 in words is "one hundred sixty-five trillion, one hundred thirty-six billion, forty-seven million, two hundred fifty-seven thousand, one hundred one".