1685171341 has 8 divisors (see below), whose sum is σ = 1927428480. Its totient is φ = 1443293808.

The previous prime is 1685171321. The next prime is 1685171387. The reversal of 1685171341 is 1431715861.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1685171341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1685171341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685171311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85321 + ... + 103198.

It is an arithmetic number, because the mean of its divisors is an integer number (240928560).

Almost surely, 2^1685171341 is an apocalyptic number.

It is an amenable number.

1685171341 is a deficient number, since it is larger than the sum of its proper divisors (242257139).

1685171341 is a wasteful number, since it uses less digits than its factorization.

1685171341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189803.

The product of its digits is 20160, while the sum is 37.

The square root of 1685171341 is about 41050.8384932634. The cubic root of 1685171341 is about 1190.0029049196.

The spelling of 1685171341 in words is "one billion, six hundred eighty-five million, one hundred seventy-one thousand, three hundred forty-one".