1685106368 has 112 divisors (see below), whose sum is σ = 3902805504. Its totient is φ = 713379840.

The previous prime is 1685106361. The next prime is 1685106373. The reversal of 1685106368 is 8636015861.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (1685106361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1232021 + ... + 1233387.

Almost surely, 2^1685106368 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 1685106368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1951402752).

1685106368 is an abundant number, since it is smaller than the sum of its proper divisors (2217699136).

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

1685106368 is a wasteful number, since it uses less digits than its factorization.

1685106368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 1685106368 is about 41050.0471132495. The cubic root of 1685106368 is about 1189.9876109154.

The spelling of 1685106368 in words is "one billion, six hundred eighty-five million, one hundred six thousand, three hundred sixty-eight".