18714433346320 has 20 divisors (see below), whose sum is σ = 43511057530380. Its totient is φ = 7485773338496.

The previous prime is 18714433346269. The next prime is 18714433346351. The reversal of 18714433346320 is 2364333441781.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7064389883664 + 11650043462656 = 2657892^2 + 3413216^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116965208335 + ... + 116965208494.

It is an arithmetic number, because the mean of its divisors is an integer number (2175552876519).

Almost surely, 2^{18714433346320} is an apocalyptic number.

18714433346320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18714433346320 is an abundant number, since it is smaller than the sum of its proper divisors (24796624184060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18714433346320 is a wasteful number, since it uses less digits than its factorization.

18714433346320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233930416842 (or 233930416836 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 18714433346320 in words is "eighteen trillion, seven hundred fourteen billion, four hundred thirty-three million, three hundred forty-six thousand, three hundred twenty".