18340568456785 has 8 divisors (see below), whose sum is σ = 22023976584960. Its totient is φ = 14662258474224.

The previous prime is 18340568456753. The next prime is 18340568456869. The reversal of 18340568456785 is 58765486504381.

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 18340568456785 - 2⁵ = 18340568456753 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274528487 + ... + 1274542876.

It is an arithmetic number, because the mean of its divisors is an integer number (2752997073120).

Almost surely, 2^{18340568456785} is an apocalyptic number.

It is an amenable number.

18340568456785 is a deficient number, since it is larger than the sum of its proper divisors (3683408128175).

18340568456785 is a wasteful number, since it uses less digits than its factorization.

18340568456785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549072807.

The product of its (nonzero) digits is 774144000, while the sum is 70.

The spelling of 18340568456785 in words is "eighteen trillion, three hundred forty billion, five hundred sixty-eight million, four hundred fifty-six thousand, seven hundred eighty-five".