66360417 has 8 divisors (see below), whose sum is σ = 88810560. Its totient is φ = 44075280.

The previous prime is 66360403. The next prime is 66360443. The reversal of 66360417 is 71406366.

66360417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 66360417 - 2⁶ = 66360353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66360457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40309 + ... + 41922.

It is an arithmetic number, because the mean of its divisors is an integer number (11101320).

Almost surely, 2^66360417 is an apocalyptic number.

It is an amenable number.

66360417 is a deficient number, since it is larger than the sum of its proper divisors (22450143).

66360417 is a wasteful number, since it uses less digits than its factorization.

66360417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82503.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 66360417 is about 8146.1903365929. The cubic root of 66360417 is about 404.8582890885.

The spelling of 66360417 in words is "sixty-six million, three hundred sixty thousand, four hundred seventeen".