1685452163384 has 64 divisors (see below), whose sum is σ = 3460068057600. Its totient is φ = 763329945600.

The previous prime is 1685452163359. The next prime is 1685452163387. The reversal of 1685452163384 is 4833612545861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685452163387) by changing a digit.

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, 29137739 + ... + 29195525.

It is an arithmetic number, because the mean of its divisors is an integer number (54063563400).

Almost surely, 2^{1685452163384} is an apocalyptic number.

It is an amenable number.

1685452163384 is an abundant number, since it is smaller than the sum of its proper divisors (1774615894216).

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

1685452163384 is a wasteful number, since it uses less digits than its factorization.

1685452163384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59004 (or 59000 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 56.

The spelling of 1685452163384 in words is "one trillion, six hundred eighty-five billion, four hundred fifty-two million, one hundred sixty-three thousand, three hundred eighty-four".