535857816 has 128 divisors (see below), whose sum is σ = 1577318400. Its totient is φ = 150128640.

The previous prime is 535857793. The next prime is 535857821. The reversal of 535857816 is 618758535.

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, 162795 + ... + 166053.

It is an arithmetic number, because the mean of its divisors is an integer number (12322800).

Almost surely, 2^535857816 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 535857816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788659200).

535857816 is an abundant number, since it is smaller than the sum of its proper divisors (1041460584).

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

535857816 is a wasteful number, since it uses less digits than its factorization.

535857816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329 (or 3325 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 48.

The square root of 535857816 is about 23148.6028952073. The cubic root of 535857816 is about 812.2377869765.

The spelling of 535857816 in words is "five hundred thirty-five million, eight hundred fifty-seven thousand, eight hundred sixteen".