1685352060 has 432 divisors, whose sum is σ = 6386234400. Its totient is φ = 357654528.

The previous prime is 1685352059. The next prime is 1685352083. The reversal of 1685352060 is 602535861.

1685352060 is a `hidden beast` number, since 1 + 68 + 535 + 2 + 0 + 60 = 666.

It is a super-2 number, since 2×1685352060² = 5680823132292487200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 143 ways as a sum of consecutive naturals, for example, 14914564 + ... + 14914676.

It is an arithmetic number, because the mean of its divisors is an integer number (14782950).

Almost surely, 2^1685352060 is an apocalyptic number.

1685352060 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 1685352060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3193117200).

1685352060 is an abundant number, since it is smaller than the sum of its proper divisors (4700882340).

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

1685352060 is a wasteful number, since it uses less digits than its factorization.

1685352060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1685352060 is about 41053.0395951384. The cubic root of 1685352060 is about 1190.0454423247.

The spelling of 1685352060 in words is "one billion, six hundred eighty-five million, three hundred fifty-two thousand, sixty".