66238314 has 32 divisors (see below), whose sum is σ = 136598400. Its totient is φ = 21403200.

The previous prime is 66238309. The next prime is 66238327. The reversal of 66238314 is 41383266.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24712 + ... + 27260.

It is an arithmetic number, because the mean of its divisors is an integer number (4268700).

Almost surely, 2^66238314 is an apocalyptic number.

66238314 is an abundant number, since it is smaller than the sum of its proper divisors (70360086).

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

66238314 is a wasteful number, since it uses less digits than its factorization.

66238314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686.

The product of its digits is 20736, while the sum is 33.

The square root of 66238314 is about 8138.6924011170. The cubic root of 66238314 is about 404.6098238906.

The spelling of 66238314 in words is "sixty-six million, two hundred thirty-eight thousand, three hundred fourteen".