163339539 has 8 divisors (see below), whose sum is σ = 237584832. Its totient is φ = 98993640.

The previous prime is 163339511. The next prime is 163339541. The reversal of 163339539 is 935933361.

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

It is not a de Polignac number, because 163339539 - 2⁸ = 163339283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163339539.

It is not an unprimeable number, because it can be changed into a prime (163339139) 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, 2474809 + ... + 2474874.

It is an arithmetic number, because the mean of its divisors is an integer number (29698104).

Almost surely, 2^163339539 is an apocalyptic number.

163339539 is a deficient number, since it is larger than the sum of its proper divisors (74245293).

163339539 is a wasteful number, since it uses less digits than its factorization.

163339539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949697.

The product of its digits is 196830, while the sum is 42.

The square root of 163339539 is about 12780.4357906920. The cubic root of 163339539 is about 546.6345886806.

It can be divided in two parts, 163339 and 539, that added together give a triangular number (163878 = T₅₇₂).

The spelling of 163339539 in words is "one hundred sixty-three million, three hundred thirty-nine thousand, five hundred thirty-nine".