533616660 has 60 divisors (see below), whose sum is σ = 1673980308. Its totient is φ = 142297344.

The previous prime is 533616659. The next prime is 533616697. The reversal of 533616660 is 66616335.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 389904516 + 143712144 = 19746^2 + 11988^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 163077 + ... + 166316.

Almost surely, 2^533616660 is an apocalyptic number.

It is an amenable number.

533616660 is an abundant number, since it is smaller than the sum of its proper divisors (1140363648).

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

533616660 is a wasteful number, since it uses less digits than its factorization.

533616660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329414 (or 329403 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 533616660 is about 23100.1441553944. The cubic root of 533616660 is about 811.1038448228.

The spelling of 533616660 in words is "five hundred thirty-three million, six hundred sixteen thousand, six hundred sixty".