18346719486228 has 96 divisors (see below), whose sum is σ = 49304141365248. Its totient is φ = 5201263017600.

The previous prime is 18346719486217. The next prime is 18346719486233. The reversal of 18346719486228 is 82268491764381.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92852098 + ... + 93049478.

It is an arithmetic number, because the mean of its divisors is an integer number (513584805888).

Almost surely, 2^{18346719486228} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18346719486228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24652070682624).

18346719486228 is an abundant number, since it is smaller than the sum of its proper divisors (30957421879020).

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

18346719486228 is a wasteful number, since it uses less digits than its factorization.

18346719486228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205973 (or 205971 counting only the distinct ones).

The product of its digits is 222953472, while the sum is 69.

The spelling of 18346719486228 in words is "eighteen trillion, three hundred forty-six billion, seven hundred nineteen million, four hundred eighty-six thousand, two hundred twenty-eight".