332832681661 has 4 divisors (see below), whose sum is σ = 333623258524. Its totient is φ = 332042104800.

The previous prime is 332832681557. The next prime is 332832681683. The reversal of 332832681661 is 166186238233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29087302500 + 303745379161 = 170550^2 + 551131^2 .

It is a cyclic number.

It is not a de Polignac number, because 332832681661 - 2³³ = 324242747069 is a prime.

It is a super-2 number, since 2×332832681661² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332832681061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395287800 + ... + 395288641.

It is an arithmetic number, because the mean of its divisors is an integer number (83405814631).

Almost surely, 2^332832681661 is an apocalyptic number.

It is an amenable number.

332832681661 is a deficient number, since it is larger than the sum of its proper divisors (790576863).

332832681661 is an equidigital number, since it uses as much as digits as its factorization.

332832681661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790576862.

The product of its digits is 1492992, while the sum is 49.

The spelling of 332832681661 in words is "three hundred thirty-two billion, eight hundred thirty-two million, six hundred eighty-one thousand, six hundred sixty-one".