68466189 has 32 divisors (see below), whose sum is σ = 102340224. Its totient is φ = 40366080.

The previous prime is 68466163. The next prime is 68466241. The reversal of 68466189 is 98166486.

It is a de Polignac number, because none of the positive numbers 2^k-68466189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68466389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233527 + ... + 233819.

It is an arithmetic number, because the mean of its divisors is an integer number (3198132).

Almost surely, 2^68466189 is an apocalyptic number.

It is an amenable number.

68466189 is a deficient number, since it is larger than the sum of its proper divisors (33874035).

68466189 is a wasteful number, since it uses less digits than its factorization.

68466189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477.

The product of its digits is 497664, while the sum is 48.

The square root of 68466189 is about 8274.4298292994. The cubic root of 68466189 is about 409.0961429319.

The spelling of 68466189 in words is "sixty-eight million, four hundred sixty-six thousand, one hundred eighty-nine".