533681616 has 160 divisors (see below), whose sum is σ = 1567899648. Its totient is φ = 155266560.

The previous prime is 533681591. The next prime is 533681623. The reversal of 533681616 is 616186335.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 908875 + ... + 909461.

Almost surely, 2^533681616 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 533681616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783949824).

533681616 is an abundant number, since it is smaller than the sum of its proper divisors (1034218032).

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

533681616 is a wasteful number, since it uses less digits than its factorization.

533681616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 683 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 533681616 is about 23101.5500778627. The cubic root of 533681616 is about 811.1367547921.

The spelling of 533681616 in words is "five hundred thirty-three million, six hundred eighty-one thousand, six hundred sixteen".