66314589 has 32 divisors (see below), whose sum is σ = 103154688. Its totient is φ = 37488000.

The previous prime is 66314491. The next prime is 66314623. The reversal of 66314589 is 98541366.

It is not a de Polignac number, because 66314589 - 2⁷ = 66314461 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66314589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66314189) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 30054 + ... + 32184.

It is an arithmetic number, because the mean of its divisors is an integer number (3223584).

Almost surely, 2^66314589 is an apocalyptic number.

66314589 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

66314589 is a deficient number, since it is larger than the sum of its proper divisors (36840099).

66314589 is a wasteful number, since it uses less digits than its factorization.

66314589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209.

The product of its digits is 155520, while the sum is 42.

The square root of 66314589 is about 8143.3770022025. The cubic root of 66314589 is about 404.7650702733.

The spelling of 66314589 in words is "sixty-six million, three hundred fourteen thousand, five hundred eighty-nine".