66348241 has 4 divisors (see below), whose sum is σ = 66640752. Its totient is φ = 66055732.

The previous prime is 66348203. The next prime is 66348253. The reversal of 66348241 is 14284366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66348241 - 2¹³ = 66340049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66348197 and 66348206.

It is not an unprimeable number, because it can be changed into a prime (66348641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145915 + ... + 146368.

It is an arithmetic number, because the mean of its divisors is an integer number (16660188).

Almost surely, 2^66348241 is an apocalyptic number.

It is an amenable number.

66348241 is a deficient number, since it is larger than the sum of its proper divisors (292511).

66348241 is a wasteful number, since it uses less digits than its factorization.

66348241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292510.

The product of its digits is 27648, while the sum is 34.

The square root of 66348241 is about 8145.4429591030. The cubic root of 66348241 is about 404.8335260532.

The spelling of 66348241 in words is "sixty-six million, three hundred forty-eight thousand, two hundred forty-one".