1684455882272 has 96 divisors (see below), whose sum is σ = 3451642310592. Its totient is φ = 808486769664.

The previous prime is 1684455882247. The next prime is 1684455882289. The reversal of 1684455882272 is 2722885544861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74380583 + ... + 74403225.

It is an arithmetic number, because the mean of its divisors is an integer number (35954607402).

Almost surely, 2^{1684455882272} 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 1684455882272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1725821155296).

1684455882272 is an abundant number, since it is smaller than the sum of its proper divisors (1767186428320).

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

1684455882272 is a wasteful number, since it uses less digits than its factorization.

1684455882272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23530 (or 23522 counting only the distinct ones).

The product of its digits is 68812800, while the sum is 62.

The spelling of 1684455882272 in words is "one trillion, six hundred eighty-four billion, four hundred fifty-five million, eight hundred eighty-two thousand, two hundred seventy-two".