66843364 has 24 divisors (see below), whose sum is σ = 133874048. Its totient is φ = 28607040.

The previous prime is 66843331. The next prime is 66843367. The reversal of 66843364 is 46334866.

It is not an unprimeable number, because it can be changed into a prime (66843367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27769 + ... + 30079.

Almost surely, 2^66843364 is an apocalyptic number.

It is an amenable number.

66843364 is an abundant number, since it is smaller than the sum of its proper divisors (67030684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66843364 is a wasteful number, since it uses less digits than its factorization.

66843364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355 (or 3353 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

The square root of 66843364 is about 8175.7791066051. The cubic root of 66843364 is about 405.8380532976.

The spelling of 66843364 in words is "sixty-six million, eight hundred forty-three thousand, three hundred sixty-four".