165210206401441 has 4 divisors (see below), whose sum is σ = 165211871070384. Its totient is φ = 165208541732500.

The previous prime is 165210206401439. The next prime is 165210206401481. The reversal of 165210206401441 is 144104602012561.

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 165210206401441 - 2¹ = 165210206401439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165210206401441.

It is not an unprimeable number, because it can be changed into a prime (165210206401481) 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, 832185595 + ... + 832384096.

It is an arithmetic number, because the mean of its divisors is an integer number (41302967767596).

Almost surely, 2^{165210206401441} is an apocalyptic number.

It is an amenable number.

165210206401441 is a deficient number, since it is larger than the sum of its proper divisors (1664668943).

165210206401441 is an equidigital number, since it uses as much as digits as its factorization.

165210206401441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664668942.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 165210206401441 in words is "one hundred sixty-five trillion, two hundred ten billion, two hundred six million, four hundred one thousand, four hundred forty-one".