186480189 has 12 divisors (see below), whose sum is σ = 307840416. Its totient is φ = 106560072.

The previous prime is 186480169. The next prime is 186480197. The reversal of 186480189 is 981084681.

It is not a de Polignac number, because 186480189 - 2¹⁵ = 186447421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186480109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1479939 + ... + 1480064.

It is an arithmetic number, because the mean of its divisors is an integer number (25653368).

Almost surely, 2^186480189 is an apocalyptic number.

It is an amenable number.

186480189 is a deficient number, since it is larger than the sum of its proper divisors (121360227).

186480189 is a wasteful number, since it uses less digits than its factorization.

186480189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960016 (or 2960013 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 186480189 is about 13655.7749322402. The cubic root of 186480189 is about 571.3175523221.

The spelling of 186480189 in words is "one hundred eighty-six million, four hundred eighty thousand, one hundred eighty-nine".