537000816 has 80 divisors (see below), whose sum is σ = 1518117120. Its totient is φ = 162216960.

The previous prime is 537000809. The next prime is 537000839. The reversal of 537000816 is 618000735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188136 + ... + 190968.

It is an arithmetic number, because the mean of its divisors is an integer number (18976464).

Almost surely, 2^537000816 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 537000816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759058560).

537000816 is an abundant number, since it is smaller than the sum of its proper divisors (981116304).

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

537000816 is a wasteful number, since it uses less digits than its factorization.

537000816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214 (or 3208 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 537000816 is about 23173.2780590058. The cubic root of 537000816 is about 812.8148856342.

The spelling of 537000816 in words is "five hundred thirty-seven million, eight hundred sixteen", and thus it is an aban number.