66230198 has 24 divisors (see below), whose sum is σ = 108745416. Its totient is φ = 30146880.

The previous prime is 66230173. The next prime is 66230209. The reversal of 66230198 is 89103266.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 31661 + ... + 33687.

It is an arithmetic number, because the mean of its divisors is an integer number (4531059).

Almost surely, 2^66230198 is an apocalyptic number.

66230198 is a deficient number, since it is larger than the sum of its proper divisors (42515218).

66230198 is a wasteful number, since it uses less digits than its factorization.

66230198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 66230198 is about 8138.1937799490. The cubic root of 66230198 is about 404.5932979695.

The spelling of 66230198 in words is "sixty-six million, two hundred thirty thousand, one hundred ninety-eight".