539608161 has 8 divisors (see below), whose sum is σ = 736209760. Its totient is φ = 351372672.

The previous prime is 539608127. The next prime is 539608163. The reversal of 539608161 is 161806935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-539608161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (539608163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2091376 + ... + 2091633.

It is an arithmetic number, because the mean of its divisors is an integer number (92026220).

Almost surely, 2^539608161 is an apocalyptic number.

It is an amenable number.

539608161 is a deficient number, since it is larger than the sum of its proper divisors (196601599).

539608161 is a wasteful number, since it uses less digits than its factorization.

539608161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183055.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 539608161 is about 23229.4675143448. The cubic root of 539608161 is about 814.1282716357.

The spelling of 539608161 in words is "five hundred thirty-nine million, six hundred eight thousand, one hundred sixty-one".