66577314 has 16 divisors (see below), whose sum is σ = 134979552. Its totient is φ = 21888288.

The previous prime is 66577307. The next prime is 66577327. The reversal of 66577314 is 41377566.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 75564 + ... + 76439.

It is an arithmetic number, because the mean of its divisors is an integer number (8436222).

Almost surely, 2^66577314 is an apocalyptic number.

66577314 is an abundant number, since it is smaller than the sum of its proper divisors (68402238).

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

66577314 is a wasteful number, since it uses less digits than its factorization.

66577314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152081.

The product of its digits is 105840, while the sum is 39.

The square root of 66577314 is about 8159.4922636154. The cubic root of 66577314 is about 405.2988983893.

The spelling of 66577314 in words is "sixty-six million, five hundred seventy-seven thousand, three hundred fourteen".