68182189 has 16 divisors (see below), whose sum is σ = 76108032. Its totient is φ = 60749568.

The previous prime is 68182187. The next prime is 68182207. The reversal of 68182189 is 98128186.

It is not a de Polignac number, because 68182189 - 2¹ = 68182187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68182187) 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, 39427 + ... + 41119.

It is an arithmetic number, because the mean of its divisors is an integer number (4756752).

Almost surely, 2^68182189 is an apocalyptic number.

It is an amenable number.

68182189 is a deficient number, since it is larger than the sum of its proper divisors (7925843).

68182189 is a wasteful number, since it uses less digits than its factorization.

68182189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836.

The product of its digits is 55296, while the sum is 43.

The square root of 68182189 is about 8257.2506925732. The cubic root of 68182189 is about 408.5297109379.

The spelling of 68182189 in words is "sixty-eight million, one hundred eighty-two thousand, one hundred eighty-nine".