66141814 has 8 divisors (see below), whose sum is σ = 99821880. Its totient is φ = 32867856.

The previous prime is 66141811. The next prime is 66141821. The reversal of 66141814 is 41814166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66141811) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 101119 + ... + 101770.

It is an arithmetic number, because the mean of its divisors is an integer number (12477735).

Almost surely, 2^66141814 is an apocalyptic number.

66141814 is a deficient number, since it is larger than the sum of its proper divisors (33680066).

66141814 is a wasteful number, since it uses less digits than its factorization.

66141814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203054.

The product of its digits is 4608, while the sum is 31.

The square root of 66141814 is about 8132.7617695344. The cubic root of 66141814 is about 404.4132416711.

The spelling of 66141814 in words is "sixty-six million, one hundred forty-one thousand, eight hundred fourteen".