332644161 has 4 divisors (see below), whose sum is σ = 443525552. Its totient is φ = 221762772.

The previous prime is 332644157. The next prime is 332644177. The reversal of 332644161 is 161446233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 332644161 - 2² = 332644157 is a prime.

It is a super-2 number, since 2×332644161² = 221304275694787842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332644121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55440691 + ... + 55440696.

It is an arithmetic number, because the mean of its divisors is an integer number (110881388).

Almost surely, 2^332644161 is an apocalyptic number.

It is an amenable number.

332644161 is a deficient number, since it is larger than the sum of its proper divisors (110881391).

332644161 is a wasteful number, since it uses less digits than its factorization.

332644161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110881390.

The product of its digits is 10368, while the sum is 30.

The square root of 332644161 is about 18238.5350563032. The cubic root of 332644161 is about 692.8830992467.

The spelling of 332644161 in words is "three hundred thirty-two million, six hundred forty-four thousand, one hundred sixty-one".