165682575870433 has 8 divisors (see below), whose sum is σ = 165930190253352. Its totient is φ = 165434969995776.

The previous prime is 165682575870431. The next prime is 165682575870443. The reversal of 165682575870433 is 334078575286561.

It can be written as a sum of positive squares in 4 ways, for example, as 85729506914529 + 79953068955904 = 9259023^2 + 8941648^2 .

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 165682575870433 - 2¹ = 165682575870431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165682575870431) 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, 37396591 + ... + 41591707.

It is an arithmetic number, because the mean of its divisors is an integer number (20741273781669).

Almost surely, 2^{165682575870433} is an apocalyptic number.

It is an amenable number.

165682575870433 is a deficient number, since it is larger than the sum of its proper divisors (247614382919).

165682575870433 is an equidigital number, since it uses as much as digits as its factorization.

165682575870433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254131.

The product of its (nonzero) digits is 1016064000, while the sum is 70.

The spelling of 165682575870433 in words is "one hundred sixty-five trillion, six hundred eighty-two billion, five hundred seventy-five million, eight hundred seventy thousand, four hundred thirty-three".