165045636660359 has 36 divisors (see below), whose sum is σ = 208827878118552. Its totient is φ = 129292627262400.

The previous prime is 165045636660329. The next prime is 165045636660491. The reversal of 165045636660359 is 953066636540561.

It is not a de Polignac number, because 165045636660359 - 2²⁸ = 165045368224903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165045636660295 and 165045636660304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165045636660329) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6201617 + ... + 19197690.

It is an arithmetic number, because the mean of its divisors is an integer number (5800774392182).

Almost surely, 2^{165045636660359} is an apocalyptic number.

165045636660359 is a deficient number, since it is larger than the sum of its proper divisors (43782241458193).

165045636660359 is a wasteful number, since it uses less digits than its factorization.

165045636660359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25399536 (or 25399428 counting only the distinct ones).

The product of its (nonzero) digits is 314928000, while the sum is 65.

The spelling of 165045636660359 in words is "one hundred sixty-five trillion, forty-five billion, six hundred thirty-six million, six hundred sixty thousand, three hundred fifty-nine".