165040622211 has 8 divisors (see below), whose sum is σ = 220056039760. Its totient is φ = 110026143072.

The previous prime is 165040622167. The next prime is 165040622239. The reversal of 165040622211 is 112226040561.

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

It is not a de Polignac number, because 165040622211 - 2¹³ = 165040614019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165040622261) 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, 569325 + ... + 808833.

It is an arithmetic number, because the mean of its divisors is an integer number (27507004970).

Almost surely, 2^165040622211 is an apocalyptic number.

165040622211 is a deficient number, since it is larger than the sum of its proper divisors (55015417549).

165040622211 is a wasteful number, since it uses less digits than its factorization.

165040622211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469205.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 165040622211 its reverse (112226040561), we get a palindrome (277266662772).

The spelling of 165040622211 in words is "one hundred sixty-five billion, forty million, six hundred twenty-two thousand, two hundred eleven".