180361328 has 20 divisors (see below), whose sum is σ = 399371760. Its totient is φ = 77297664.

The previous prime is 180361327. The next prime is 180361333. The reversal of 180361328 is 823163081.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 180361294 and 180361303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180361327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805073 + ... + 805296.

It is an arithmetic number, because the mean of its divisors is an integer number (19968588).

Almost surely, 2^180361328 is an apocalyptic number.

It is an amenable number.

180361328 is an abundant number, since it is smaller than the sum of its proper divisors (219010432).

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

180361328 is a wasteful number, since it uses less digits than its factorization.

180361328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610384 (or 1610378 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 180361328 is about 13429.8670134890. The cubic root of 180361328 is about 564.9991677749. Note that the first 3 decimals are identical.

The spelling of 180361328 in words is "one hundred eighty million, three hundred sixty-one thousand, three hundred twenty-eight".