533521616 has 40 divisors (see below), whose sum is σ = 1096370304. Its totient is φ = 250968960.

The previous prime is 533521579. The next prime is 533521621. The reversal of 533521616 is 616125335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10565 + ... + 34331.

Almost surely, 2^533521616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 533521616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548185152).

533521616 is an abundant number, since it is smaller than the sum of its proper divisors (562848688).

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

533521616 is a wasteful number, since it uses less digits than its factorization.

533521616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23859 (or 23853 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 533521616 is about 23098.0868471828. The cubic root of 533521616 is about 811.0556859496.

The spelling of 533521616 in words is "five hundred thirty-three million, five hundred twenty-one thousand, six hundred sixteen".