18356320248046 has 8 divisors (see below), whose sum is σ = 30037614951384. Its totient is φ = 8343781930920.

The previous prime is 18356320248031. The next prime is 18356320248053. The reversal of 18356320248046 is 64084202365381.

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

It is a junction number, because it is equal to n+sod(n) for n = 18356320247984 and 18356320248002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417189096525 + ... + 417189096568.

It is an arithmetic number, because the mean of its divisors is an integer number (3754701868923).

Almost surely, 2^{18356320248046} is an apocalyptic number.

18356320248046 is a deficient number, since it is larger than the sum of its proper divisors (11681294703338).

18356320248046 is a wasteful number, since it uses less digits than its factorization.

18356320248046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834378193106.

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 18356320248046 in words is "eighteen trillion, three hundred fifty-six billion, three hundred twenty million, two hundred forty-eight thousand, forty-six".