180894163 has 8 divisors (see below), whose sum is σ = 186178608. Its totient is φ = 175658784.

The previous prime is 180894157. The next prime is 180894179. The reversal of 180894163 is 361498081.

180894163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-180894163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180892163) 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, 4720 + ... + 19597.

It is an arithmetic number, because the mean of its divisors is an integer number (23272326).

Almost surely, 2^180894163 is an apocalyptic number.

180894163 is a deficient number, since it is larger than the sum of its proper divisors (5284445).

180894163 is a wasteful number, since it uses less digits than its factorization.

180894163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24533.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 180894163 is about 13449.6900707786. The cubic root of 180894163 is about 565.5550063588. Note that the first 3 decimals are identical.

The spelling of 180894163 in words is "one hundred eighty million, eight hundred ninety-four thousand, one hundred sixty-three".