322160232421261 has 32 divisors (see below), whose sum is σ = 376333393379328. Its totient is φ = 273042273884160.

The previous prime is 322160232421229. The next prime is 322160232421273. The reversal of 322160232421261 is 162124232061223.

It is a happy number.

It is not a de Polignac number, because 322160232421261 - 2⁵ = 322160232421229 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 322160232421261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322160232422261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145024416 + ... + 147229078.

It is an arithmetic number, because the mean of its divisors is an integer number (11760418543104).

Almost surely, 2^{322160232421261} is an apocalyptic number.

It is an amenable number.

322160232421261 is a deficient number, since it is larger than the sum of its proper divisors (54173160958067).

322160232421261 is a wasteful number, since it uses less digits than its factorization.

322160232421261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220861.

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 322160232421261 its reverse (162124232061223), we get a palindrome (484284464482484).

The spelling of 322160232421261 in words is "three hundred twenty-two trillion, one hundred sixty billion, two hundred thirty-two million, four hundred twenty-one thousand, two hundred sixty-one".