66589249 has 8 divisors (see below), whose sum is σ = 69312960. Its totient is φ = 63894096.

The previous prime is 66589183. The next prime is 66589273. The reversal of 66589249 is 94298566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66589249 - 2⁷ = 66589121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66580249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2317 + ... + 11770.

It is an arithmetic number, because the mean of its divisors is an integer number (8664120).

Almost surely, 2^66589249 is an apocalyptic number.

It is an amenable number.

66589249 is a deficient number, since it is larger than the sum of its proper divisors (2723711).

66589249 is a wasteful number, since it uses less digits than its factorization.

66589249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14279.

The product of its digits is 933120, while the sum is 49.

The square root of 66589249 is about 8160.2235876231. The cubic root of 66589249 is about 405.3231156140.

The spelling of 66589249 in words is "sixty-six million, five hundred eighty-nine thousand, two hundred forty-nine".