1685068603 has 4 divisors (see below), whose sum is σ = 1685220568. Its totient is φ = 1684916640.

The previous prime is 1685068601. The next prime is 1685068667. The reversal of 1685068603 is 3068605861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3068605861 = 43 ⋅71362927.

It is a cyclic number.

It is not a de Polignac number, because 1685068603 - 2¹ = 1685068601 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 1685068603.

It is not an unprimeable number, because it can be changed into a prime (1685068601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57918 + ... + 82003.

It is an arithmetic number, because the mean of its divisors is an integer number (421305142).

Almost surely, 2^1685068603 is an apocalyptic number.

1685068603 is a deficient number, since it is larger than the sum of its proper divisors (151965).

1685068603 is a wasteful number, since it uses less digits than its factorization.

1685068603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151964.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 1685068603 is about 41049.5871233804. The cubic root of 1685068603 is about 1189.9787212258.

The spelling of 1685068603 in words is "one billion, six hundred eighty-five million, sixty-eight thousand, six hundred three".