66357064 has 16 divisors (see below), whose sum is σ = 126529200. Its totient is φ = 32615952.

The previous prime is 66357061. The next prime is 66357107. The reversal of 66357064 is 46075366.

66357064 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 (66357061) 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 3 ways as a sum of consecutive naturals, for example, 69822 + ... + 70765.

It is an arithmetic number, because the mean of its divisors is an integer number (7908075).

Almost surely, 2^66357064 is an apocalyptic number.

It is an amenable number.

66357064 is a deficient number, since it is larger than the sum of its proper divisors (60172136).

66357064 is a wasteful number, since it uses less digits than its factorization.

66357064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140652 (or 140648 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 66357064 is about 8145.9845322711. The cubic root of 66357064 is about 404.8514702008.

The spelling of 66357064 in words is "sixty-six million, three hundred fifty-seven thousand, sixty-four".