66484313 has 8 divisors (see below), whose sum is σ = 77416128. Its totient is φ = 55911024.

The previous prime is 66484291. The next prime is 66484333. The reversal of 66484313 is 31348466.

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 66484313 - 2¹⁶ = 66418777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66484333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89231 + ... + 89972.

It is an arithmetic number, because the mean of its divisors is an integer number (9677016).

Almost surely, 2^66484313 is an apocalyptic number.

It is an amenable number.

66484313 is a deficient number, since it is larger than the sum of its proper divisors (10931815).

66484313 is a wasteful number, since it uses less digits than its factorization.

66484313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179263.

The product of its digits is 41472, while the sum is 35.

The square root of 66484313 is about 8153.7913267387. The cubic root of 66484313 is about 405.1100914956.

The spelling of 66484313 in words is "sixty-six million, four hundred eighty-four thousand, three hundred thirteen".