66282288 has 20 divisors (see below), whose sum is σ = 171229368. Its totient is φ = 22094080.

The previous prime is 66282259. The next prime is 66282301. The reversal of 66282288 is 88228266.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690393 + ... + 690488.

Almost surely, 2^66282288 is an apocalyptic number.

It is an amenable number.

66282288 is an abundant number, since it is smaller than the sum of its proper divisors (104947080).

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

66282288 is a wasteful number, since it uses less digits than its factorization.

66282288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380892 (or 1380886 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 66282288 is about 8141.3934925171. The cubic root of 66282288 is about 404.6993409464.

The spelling of 66282288 in words is "sixty-six million, two hundred eighty-two thousand, two hundred eighty-eight".