66560241 has 8 divisors (see below), whose sum is σ = 96814944. Its totient is φ = 40339520.

The previous prime is 66560239. The next prime is 66560243. The reversal of 66560241 is 14206566.

It is an interprime number because it is at equal distance from previous prime (66560239) and next prime (66560243).

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 66560241 - 2¹ = 66560239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66560199 and 66560208.

It is not an unprimeable number, because it can be changed into a prime (66560243) 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, 1008456 + ... + 1008521.

It is an arithmetic number, because the mean of its divisors is an integer number (12101868).

Almost surely, 2^66560241 is an apocalyptic number.

It is an amenable number.

66560241 is a deficient number, since it is larger than the sum of its proper divisors (30254703).

66560241 is a wasteful number, since it uses less digits than its factorization.

66560241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016991.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 66560241 is about 8158.4459917315. The cubic root of 66560241 is about 405.2642506529.

It can be divided in two parts, 665 and 60241, that added together give a palindrome (60906).

The spelling of 66560241 in words is "sixty-six million, five hundred sixty thousand, two hundred forty-one".