1685479016 has 16 divisors (see below), whose sum is σ = 3403371300. Its totient is φ = 777913344.

The previous prime is 1685478997. The next prime is 1685479027. The reversal of 1685479016 is 6109745861.

It can be written as a sum of positive squares in 2 ways, for example, as 1181296900 + 504182116 = 34370^2 + 22454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8103161 + ... + 8103368.

Almost surely, 2^1685479016 is an apocalyptic number.

It is an amenable number.

1685479016 is an abundant number, since it is smaller than the sum of its proper divisors (1717892284).

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

1685479016 is a wasteful number, since it uses less digits than its factorization.

1685479016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16206548 (or 16206544 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 1685479016 is about 41054.5858096267. The cubic root of 1685479016 is about 1190.0753232457.

The spelling of 1685479016 in words is "one billion, six hundred eighty-five million, four hundred seventy-nine thousand, sixteen".