533385216 has 416 divisors, whose sum is σ = 1981566720. Its totient is φ = 138018816.

The previous prime is 533385179. The next prime is 533385221. The reversal of 533385216 is 612583335.

It is a tau number, because it is divible by the number of its divisors (416).

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 31 ways as a sum of consecutive naturals, for example, 10063846 + ... + 10063898.

Almost surely, 2^533385216 is an apocalyptic number.

533385216 is a gapful number since it is divisible by the number (56) 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 533385216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990783360).

533385216 is an abundant number, since it is smaller than the sum of its proper divisors (1448181504).

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

533385216 is a wasteful number, since it uses less digits than its factorization.

533385216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 78 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 533385216 is about 23095.1340329516. The cubic root of 533385216 is about 810.9865619620.

The spelling of 533385216 in words is "five hundred thirty-three million, three hundred eighty-five thousand, two hundred sixteen".