162660255646441 has 6 divisors (see below), whose sum is σ = 189217032078570. Its totient is φ = 139423076268336.

The previous prime is 162660255646391. The next prime is 162660255646477. The reversal of 162660255646441 is 144646552066261.

It can be written as a sum of positive squares in only one way, i.e., 162071359025625 + 588896620816 = 12730725^2 + 767396^2 .

It is not a de Polignac number, because 162660255646441 - 2⁷ = 162660255646313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162660255646481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1659798526956 + ... + 1659798527053.

It is an arithmetic number, because the mean of its divisors is an integer number (31536172013095).

Almost surely, 2^{162660255646441} is an apocalyptic number.

It is an amenable number.

162660255646441 is a deficient number, since it is larger than the sum of its proper divisors (26556776432129).

162660255646441 is an equidigital number, since it uses as much as digits as its factorization.

162660255646441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319597054023 (or 3319597054016 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 58.

The spelling of 162660255646441 in words is "one hundred sixty-two trillion, six hundred sixty billion, two hundred fifty-five million, six hundred forty-six thousand, four hundred forty-one".