18365746648284 has 144 divisors (see below), whose sum is σ = 53887587586560. Its totient is φ = 5165400723840.

The previous prime is 18365746648273. The next prime is 18365746648309. The reversal of 18365746648284 is 48284664756381.

18365746648284 is a `hidden beast` number, since 1 + 8 + 3 + 6 + 5 + 7 + 4 + 66 + 482 + 84 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10706362 + ... + 12302750.

It is an arithmetic number, because the mean of its divisors is an integer number (374219358240).

Almost surely, 2^{18365746648284} is an apocalyptic number.

18365746648284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18365746648284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26943793793280).

18365746648284 is an abundant number, since it is smaller than the sum of its proper divisors (35521840938276).

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

18365746648284 is a wasteful number, since it uses less digits than its factorization.

18365746648284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597120 (or 1597115 counting only the distinct ones).

The product of its digits is 1486356480, while the sum is 72.

The spelling of 18365746648284 in words is "eighteen trillion, three hundred sixty-five billion, seven hundred forty-six million, six hundred forty-eight thousand, two hundred eighty-four".