162405343321 has 8 divisors (see below), whose sum is σ = 174901446720. Its totient is φ = 149909723472.

The previous prime is 162405343277. The next prime is 162405343351. The reversal of 162405343321 is 123343504261.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 162405343321 - 2¹³ = 162405335129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162405343351) 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, 889500 + ... + 1056418.

It is an arithmetic number, because the mean of its divisors is an integer number (21862680840).

Almost surely, 2^162405343321 is an apocalyptic number.

It is an amenable number.

162405343321 is a deficient number, since it is larger than the sum of its proper divisors (12496103399).

162405343321 is a wasteful number, since it uses less digits than its factorization.

162405343321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241775.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 162405343321 its reverse (123343504261), we get a palindrome (285748847582).

The spelling of 162405343321 in words is "one hundred sixty-two billion, four hundred five million, three hundred forty-three thousand, three hundred twenty-one".