180684049 has 16 divisors (see below), whose sum is σ = 226582272. Its totient is φ = 140257728.

The previous prime is 180684047. The next prime is 180684071. The reversal of 180684049 is 940486081.

It is not a de Polignac number, because 180684049 - 2¹ = 180684047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (180684047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13909 + ... + 23554.

It is an arithmetic number, because the mean of its divisors is an integer number (14161392).

Almost surely, 2^180684049 is an apocalyptic number.

It is an amenable number.

180684049 is a deficient number, since it is larger than the sum of its proper divisors (45898223).

180684049 is a wasteful number, since it uses less digits than its factorization.

180684049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37536.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 180684049 is about 13441.8766918909. The cubic root of 180684049 is about 565.3359518190.

The spelling of 180684049 in words is "one hundred eighty million, six hundred eighty-four thousand, forty-nine".