1685341401760 has 384 divisors, whose sum is σ = 4460898355200. Its totient is φ = 598761123840.

The previous prime is 1685341401749. The next prime is 1685341401763. The reversal of 1685341401760 is 671041435861.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 1685341401760.

It is not an unprimeable number, because it can be changed into a prime (1685341401763) 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 63 ways as a sum of consecutive naturals, for example, 1072781775 + ... + 1072783345.

It is an arithmetic number, because the mean of its divisors is an integer number (11616922800).

Almost surely, 2^{1685341401760} is an apocalyptic number.

1685341401760 is a gapful number since it is divisible by the number (10) 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 1685341401760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2230449177600).

1685341401760 is an abundant number, since it is smaller than the sum of its proper divisors (2775556953440).

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

1685341401760 is a wasteful number, since it uses less digits than its factorization.

1685341401760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924 (or 1916 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 1685341401760 in words is "one trillion, six hundred eighty-five billion, three hundred forty-one million, four hundred one thousand, seven hundred sixty".