66606153 has 16 divisors (see below), whose sum is σ = 98982720. Its totient is φ = 39591936.

The previous prime is 66606143. The next prime is 66606157. The reversal of 66606153 is 35160666.

66606153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66606153 - 2⁵ = 66606121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66606157) 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 15 ways as a sum of consecutive naturals, for example, 33400 + ... + 35337.

It is an arithmetic number, because the mean of its divisors is an integer number (6186420).

Almost surely, 2^66606153 is an apocalyptic number.

It is an amenable number.

66606153 is a deficient number, since it is larger than the sum of its proper divisors (32376567).

66606153 is a wasteful number, since it uses less digits than its factorization.

66606153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68776.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 66606153 is about 8161.2592778321. The cubic root of 66606153 is about 405.3574104507.

The spelling of 66606153 in words is "sixty-six million, six hundred six thousand, one hundred fifty-three".