180864369 has 12 divisors (see below), whose sum is σ = 298569856. Its totient is φ = 103351032.

The previous prime is 180864367. The next prime is 180864371. The reversal of 180864369 is 963468081.

It is an interprime number because it is at equal distance from previous prime (180864367) and next prime (180864371).

It is not a de Polignac number, because 180864369 - 2¹ = 180864367 is a prime.

It is a super-2 number, since 2×180864369² = 65423839947536322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180864361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1435369 + ... + 1435494.

Almost surely, 2^180864369 is an apocalyptic number.

It is an amenable number.

180864369 is a deficient number, since it is larger than the sum of its proper divisors (117705487).

180864369 is a wasteful number, since it uses less digits than its factorization.

180864369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870876 (or 2870873 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 180864369 is about 13448.5824160021. The cubic root of 180864369 is about 565.5239549220.

The spelling of 180864369 in words is "one hundred eighty million, eight hundred sixty-four thousand, three hundred sixty-nine".