18348680057 has 8 divisors (see below), whose sum is σ = 20450541600. Its totient is φ = 16360432704.

The previous prime is 18348680039. The next prime is 18348680089. The reversal of 18348680057 is 75008684381.

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 18348680057 - 2²⁰ = 18347631481 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18348679987 and 18348680014.

It is not an unprimeable number, because it can be changed into a prime (18348680017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28403207 + ... + 28403852.

It is an arithmetic number, because the mean of its divisors is an integer number (2556317700).

Almost surely, 2^18348680057 is an apocalyptic number.

18348680057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

18348680057 is a deficient number, since it is larger than the sum of its proper divisors (2101861543).

18348680057 is a wasteful number, since it uses less digits than its factorization.

18348680057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56807095.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 18348680057 in words is "eighteen billion, three hundred forty-eight million, six hundred eighty thousand, fifty-seven".