66025614 has 8 divisors (see below), whose sum is σ = 132051240. Its totient is φ = 22008536.

The previous prime is 66025591. The next prime is 66025657. The reversal of 66025614 is 41652066.

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

66025614 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 5502129 + ... + 5502140.

It is an arithmetic number, because the mean of its divisors is an integer number (16506405).

Almost surely, 2^66025614 is an apocalyptic number.

66025614 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66025614 is a wasteful number, since it uses less digits than its factorization.

66025614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11004274.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 66025614 is about 8125.6146844408. The cubic root of 66025614 is about 404.1762742511.

The spelling of 66025614 in words is "sixty-six million, twenty-five thousand, six hundred fourteen".