162340420325 has 12 divisors (see below), whose sum is σ = 201349852740. Its totient is φ = 129841541760.

The previous prime is 162340420321. The next prime is 162340420339. The reversal of 162340420325 is 523024043261.

It can be written as a sum of positive squares in 6 ways, for example, as 8361090721 + 153979329604 = 91439^2 + 392402^2 .

It is not a de Polignac number, because 162340420325 - 2² = 162340420321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162340420291 and 162340420300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162340420321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 662024 + ... + 873473.

It is an arithmetic number, because the mean of its divisors is an integer number (16779154395).

Almost surely, 2^162340420325 is an apocalyptic number.

It is an amenable number.

162340420325 is a deficient number, since it is larger than the sum of its proper divisors (39009432415).

162340420325 is a wasteful number, since it uses less digits than its factorization.

162340420325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539736 (or 1539731 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 162340420325 its reverse (523024043261), we get a palindrome (685364463586).

The spelling of 162340420325 in words is "one hundred sixty-two billion, three hundred forty million, four hundred twenty thousand, three hundred twenty-five".