1684512406228 has 24 divisors (see below), whose sum is σ = 3084097701888. Its totient is φ = 803532862176.

The previous prime is 1684512406223. The next prime is 1684512406261. The reversal of 1684512406228 is 8226042154861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684512406223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23868051 + ... + 23938522.

It is an arithmetic number, because the mean of its divisors is an integer number (128504070912).

Almost surely, 2^{1684512406228} is an apocalyptic number.

It is an amenable number.

1684512406228 is a deficient number, since it is larger than the sum of its proper divisors (1399585295660).

1684512406228 is a wasteful number, since it uses less digits than its factorization.

1684512406228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47806983 (or 47806981 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 49.

The spelling of 1684512406228 in words is "one trillion, six hundred eighty-four billion, five hundred twelve million, four hundred six thousand, two hundred twenty-eight".