539213616 has 120 divisors (see below), whose sum is σ = 1682057520. Its totient is φ = 160247808.

The previous prime is 539213569. The next prime is 539213621. The reversal of 539213616 is 616312935.

539213616 is a `hidden beast` number, since 5 + 39 + 2 + 1 + 3 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40716 + ... + 52308.

It is an arithmetic number, because the mean of its divisors is an integer number (14017146).

Almost surely, 2^539213616 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 539213616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841028760).

539213616 is an abundant number, since it is smaller than the sum of its proper divisors (1142843904).

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

539213616 is a wasteful number, since it uses less digits than its factorization.

539213616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11643 (or 11634 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 539213616 is about 23220.9736229987. The cubic root of 539213616 is about 813.9298013503.

The spelling of 539213616 in words is "five hundred thirty-nine million, two hundred thirteen thousand, six hundred sixteen".