18664303241 has 8 divisors (see below), whose sum is σ = 18752342400. Its totient is φ = 18576347440.

The previous prime is 18664303223. The next prime is 18664303279. The reversal of 18664303241 is 14230346681.

It is a happy number.

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 18664303241 - 2²² = 18660108937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18664303195 and 18664303204.

It is not an unprimeable number, because it can be changed into a prime (18664303211) 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, 453251 + ... + 492711.

It is an arithmetic number, because the mean of its divisors is an integer number (2344042800).

Almost surely, 2^18664303241 is an apocalyptic number.

It is an amenable number.

18664303241 is a deficient number, since it is larger than the sum of its proper divisors (88039159).

18664303241 is a wasteful number, since it uses less digits than its factorization.

18664303241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41679.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 18664303241 in words is "eighteen billion, six hundred sixty-four million, three hundred three thousand, two hundred forty-one".