1322555404161 has 16 divisors (see below), whose sum is σ = 1812999837824. Its totient is φ = 856958154624.

The previous prime is 1322555404139. The next prime is 1322555404207. The reversal of 1322555404161 is 1614045552231.

It is not a de Polignac number, because 1322555404161 - 2⁵ = 1322555404129 is a prime.

It is a super-2 number, since 2×1322555404161² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322555484161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6254005 + ... + 6462018.

It is an arithmetic number, because the mean of its divisors is an integer number (113312489864).

Almost surely, 2^{1322555404161} is an apocalyptic number.

It is an amenable number.

1322555404161 is a deficient number, since it is larger than the sum of its proper divisors (490444433663).

1322555404161 is a wasteful number, since it uses less digits than its factorization.

1322555404161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12717000.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 1322555404161 in words is "one trillion, three hundred twenty-two billion, five hundred fifty-five million, four hundred four thousand, one hundred sixty-one".