161302828 has 12 divisors (see below), whose sum is σ = 284311720. Its totient is φ = 80070912.

The previous prime is 161302819. The next prime is 161302831. The reversal of 161302828 is 828203161.

161302828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 161302828.

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 3 ways as a sum of consecutive naturals, for example, 144501 + ... + 145612.

Almost surely, 2^161302828 is an apocalyptic number.

It is an amenable number.

161302828 is a deficient number, since it is larger than the sum of its proper divisors (123008892).

161302828 is a wasteful number, since it uses less digits than its factorization.

161302828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290256 (or 290254 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 161302828 is about 12700.5050293286. The cubic root of 161302828 is about 544.3530499124.

Adding to 161302828 its reverse (828203161), we get a palindrome (989505989).

The spelling of 161302828 in words is "one hundred sixty-one million, three hundred two thousand, eight hundred twenty-eight".