332168948281 has 3 divisors (see below), whose sum is σ = 332169524623. Its totient is φ = 332168371940.

The previous prime is 332168948273. The next prime is 332168948297. The reversal of 332168948281 is 182849861233.

The square root of 332168948281 is 576341.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 284845296681 + 47323651600 = 533709^2 + 217540^2 .

It is not a de Polignac number, because 332168948281 - 2³ = 332168948273 is a prime.

It is a super-2 number, since 2×332168948281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332168918281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 288171 + ... + 864511.

Almost surely, 2^332168948281 is an apocalyptic number.

332168948281 is the 576341-st square number.

332168948281 is the 288171-st centered octagonal number.

It is an amenable number.

332168948281 is a deficient number, since it is larger than the sum of its proper divisors (576342).

332168948281 is an frugal number, since it uses more digits than its factorization.

332168948281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152682 (or 576341 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 55.

The spelling of 332168948281 in words is "three hundred thirty-two billion, one hundred sixty-eight million, nine hundred forty-eight thousand, two hundred eighty-one".