66601614 has 16 divisors (see below), whose sum is σ = 141038928. Its totient is φ = 20894592.

The previous prime is 66601567. The next prime is 66601643. The reversal of 66601614 is 41610666.

66601614 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326377 + ... + 326580.

It is an arithmetic number, because the mean of its divisors is an integer number (8814933).

Almost surely, 2^66601614 is an apocalyptic number.

66601614 is an abundant number, since it is smaller than the sum of its proper divisors (74437314).

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

66601614 is a wasteful number, since it uses less digits than its factorization.

66601614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652979.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 66601614 is about 8160.9811910088. The cubic root of 66601614 is about 405.3482022970.

The spelling of 66601614 in words is "sixty-six million, six hundred one thousand, six hundred fourteen".