165471224361 has 64 divisors (see below), whose sum is σ = 253703632896. Its totient is φ = 95374540800.

The previous prime is 165471224291. The next prime is 165471224407. The reversal of 165471224361 is 163422174561.

It is not a de Polignac number, because 165471224361 - 2¹⁴ = 165471207977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165471224161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2363881 + ... + 2432873.

It is an arithmetic number, because the mean of its divisors is an integer number (3964119264).

Almost surely, 2^165471224361 is an apocalyptic number.

It is an amenable number.

165471224361 is a deficient number, since it is larger than the sum of its proper divisors (88232408535).

165471224361 is a wasteful number, since it uses less digits than its factorization.

165471224361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69122.

The product of its digits is 241920, while the sum is 42.

The spelling of 165471224361 in words is "one hundred sixty-five billion, four hundred seventy-one million, two hundred twenty-four thousand, three hundred sixty-one".