165136716159 has 8 divisors (see below), whose sum is σ = 220191182640. Its totient is φ = 110086696896.

The previous prime is 165136716139. The next prime is 165136716203. The reversal of 165136716159 is 951617631561.

It is a happy number.

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

It is not a de Polignac number, because 165136716159 - 2⁸ = 165136715903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165136716119) 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, 1024174 + ... + 1174395.

It is an arithmetic number, because the mean of its divisors is an integer number (27523897830).

Almost surely, 2^165136716159 is an apocalyptic number.

165136716159 is a deficient number, since it is larger than the sum of its proper divisors (55054466481).

165136716159 is a wasteful number, since it uses less digits than its factorization.

165136716159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223609.

The product of its digits is 1020600, while the sum is 51.

The spelling of 165136716159 in words is "one hundred sixty-five billion, one hundred thirty-six million, seven hundred sixteen thousand, one hundred fifty-nine".