18260224417 has 4 divisors (see below), whose sum is σ = 19221288880. Its totient is φ = 17299159956.

The previous prime is 18260224391. The next prime is 18260224481. The reversal of 18260224417 is 71442206281.

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 18260224417 - 2²³ = 18251835809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18260224487) 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 3 ways as a sum of consecutive naturals, for example, 480532203 + ... + 480532240.

It is an arithmetic number, because the mean of its divisors is an integer number (4805322220).

Almost surely, 2^18260224417 is an apocalyptic number.

It is an amenable number.

18260224417 is a deficient number, since it is larger than the sum of its proper divisors (961064463).

18260224417 is an equidigital number, since it uses as much as digits as its factorization.

18260224417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961064462.

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 18260224417 in words is "eighteen billion, two hundred sixty million, two hundred twenty-four thousand, four hundred seventeen".