332121564 has 36 divisors (see below), whose sum is σ = 876032976. Its totient is φ = 105893568.

The previous prime is 332121557. The next prime is 332121589. The reversal of 332121564 is 465121233.

332121564 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×332121564² = 220609466547612192, which contains 22 as substring.

332121564 is strictly pandigital in base 9.

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 11 ways as a sum of consecutive naturals, for example, 199729 + ... + 201384.

Almost surely, 2^332121564 is an apocalyptic number.

It is an amenable number.

332121564 is an abundant number, since it is smaller than the sum of its proper divisors (543911412).

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

332121564 is a wasteful number, since it uses less digits than its factorization.

332121564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401146 (or 401141 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 332121564 is about 18224.2026986093. The cubic root of 332121564 is about 692.5200602390.

Adding to 332121564 its reverse (465121233), we get a palindrome (797242797).

The spelling of 332121564 in words is "three hundred thirty-two million, one hundred twenty-one thousand, five hundred sixty-four".