1685130046 has 16 divisors (see below), whose sum is σ = 2566453248. Its totient is φ = 829675000.

The previous prime is 1685130043. The next prime is 1685130047. The reversal of 1685130046 is 6400315861.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1685129993 and 1685130020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685130043) 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, 115671 + ... + 129421.

It is an arithmetic number, because the mean of its divisors is an integer number (160403328).

Almost surely, 2^1685130046 is an apocalyptic number.

1685130046 is a deficient number, since it is larger than the sum of its proper divisors (881323202).

1685130046 is a wasteful number, since it uses less digits than its factorization.

1685130046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14687.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1685130046 is about 41050.3355162902. The cubic root of 1685130046 is about 1189.9931845289.

The spelling of 1685130046 in words is "one billion, six hundred eighty-five million, one hundred thirty thousand, forty-six".