1685016835 has 16 divisors (see below), whose sum is σ = 2072560032. Its totient is φ = 1314720000.

The previous prime is 1685016821. The next prime is 1685016857. The reversal of 1685016835 is 5386105861.

It is not a de Polignac number, because 1685016835 - 2⁵ = 1685016803 is a prime.

It is a Duffinian number.

1685016835 is a modest number, since divided by 16835 gives 1685 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1685016791 and 1685016800.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8935 + ... + 58735.

It is an arithmetic number, because the mean of its divisors is an integer number (129535002).

Almost surely, 2^1685016835 is an apocalyptic number.

1685016835 is a deficient number, since it is larger than the sum of its proper divisors (387543197).

1685016835 is a wasteful number, since it uses less digits than its factorization.

1685016835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49974.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 1685016835 is about 41048.9565640833. The cubic root of 1685016835 is about 1189.9665350851.

The spelling of 1685016835 in words is "one billion, six hundred eighty-five million, sixteen thousand, eight hundred thirty-five".