162319546321 has 9 divisors (see below), whose sum is σ = 163983691633. Its totient is φ = 160672133200.

The previous prime is 162319546117. The next prime is 162319546327. The reversal of 162319546321 is 123645913261.

The square root of 162319546321 is 402889.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 45437611921 + 116881934400 = 213161^2 + 341880^2 .

It is not a de Polignac number, because 162319546321 - 2¹⁵ = 162319513553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162319546327) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 40689795 + ... + 40693783.

Almost surely, 2^162319546321 is an apocalyptic number.

162319546321 is the 402889-th square number.

162319546321 is the 201445-th centered octagonal number.

It is an amenable number.

162319546321 is a deficient number, since it is larger than the sum of its proper divisors (1664145312).

162319546321 is an frugal number, since it uses more digits than its factorization.

162319546321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8180 (or 4090 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The spelling of 162319546321 in words is "one hundred sixty-two billion, three hundred nineteen million, five hundred forty-six thousand, three hundred twenty-one".