332001660 has 96 divisors (see below), whose sum is σ = 948890880. Its totient is φ = 86717952.

The previous prime is 332001647. The next prime is 332001671. The reversal of 332001660 is 66100233.

It is a super-2 number, since 2×332001660² = 220450204485511200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 811536 + ... + 811944.

It is an arithmetic number, because the mean of its divisors is an integer number (9884280).

Almost surely, 2^332001660 is an apocalyptic number.

332001660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 332001660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474445440).

332001660 is an abundant number, since it is smaller than the sum of its proper divisors (616889220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

332001660 is a wasteful number, since it uses less digits than its factorization.

332001660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 332001660 is about 18220.9127103996. The cubic root of 332001660 is about 692.4367113200.

Adding to 332001660 its reverse (66100233), we get a palindrome (398101893).

The spelling of 332001660 in words is "three hundred thirty-two million, one thousand, six hundred sixty".