66353241 has 8 divisors (see below), whose sum is σ = 88545280. Its totient is φ = 44198352.

The previous prime is 66353239. The next prime is 66353251. The reversal of 66353241 is 14235366.

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

It is not a de Polignac number, because 66353241 - 2¹ = 66353239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66353199 and 66353208.

It is not an unprimeable number, because it can be changed into a prime (66353251) 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, 4810 + ... + 12483.

It is an arithmetic number, because the mean of its divisors is an integer number (11068160).

Almost surely, 2^66353241 is an apocalyptic number.

It is an amenable number.

66353241 is a deficient number, since it is larger than the sum of its proper divisors (22192039).

66353241 is a wasteful number, since it uses less digits than its factorization.

66353241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18575.

The product of its digits is 12960, while the sum is 30.

The square root of 66353241 is about 8145.7498734002. The cubic root of 66353241 is about 404.8436952089.

The spelling of 66353241 in words is "sixty-six million, three hundred fifty-three thousand, two hundred forty-one".