66106914 has 16 divisors (see below), whose sum is σ = 139991328. Its totient is φ = 20739392.

The previous prime is 66106913. The next prime is 66106919. The reversal of 66106914 is 41960166.

66106914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66106913) by changing a digit.

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, 323952 + ... + 324155.

It is an arithmetic number, because the mean of its divisors is an integer number (8749458).

Almost surely, 2^66106914 is an apocalyptic number.

66106914 is an abundant number, since it is smaller than the sum of its proper divisors (73884414).

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

66106914 is a wasteful number, since it uses less digits than its factorization.

66106914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648129.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 66106914 is about 8130.6158438337. The cubic root of 66106914 is about 404.3420990537.

The spelling of 66106914 in words is "sixty-six million, one hundred six thousand, nine hundred fourteen".