539697168 has 120 divisors (see below), whose sum is σ = 1580121088. Its totient is φ = 178319232.

The previous prime is 539697167. The next prime is 539697187. The reversal of 539697168 is 861796935.

539697168 is a `hidden beast` number, since 5 + 396 + 97 + 168 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (539697167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 493230 + ... + 494322.

Almost surely, 2^539697168 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 539697168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790060544).

539697168 is an abundant number, since it is smaller than the sum of its proper divisors (1040423920).

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

539697168 is a wasteful number, since it uses less digits than its factorization.

539697168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243 (or 1225 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 539697168 is about 23231.3832562764. The cubic root of 539697168 is about 814.1730319738.

The spelling of 539697168 in words is "five hundred thirty-nine million, six hundred ninety-seven thousand, one hundred sixty-eight".