1685263064 has 32 divisors (see below), whose sum is σ = 3329856000. Its totient is φ = 797399712.

The previous prime is 1685263039. The next prime is 1685263147. The reversal of 1685263064 is 4603625861.

It is a super-2 number, since 2×1685263064² = 5680223189765336192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143777 + ... + 155055.

It is an arithmetic number, because the mean of its divisors is an integer number (104058000).

Almost surely, 2^1685263064 is an apocalyptic number.

It is an amenable number.

1685263064 is a deficient number, since it is larger than the sum of its proper divisors (1644592936).

1685263064 is a wasteful number, since it uses less digits than its factorization.

1685263064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12287 (or 12283 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 1685263064 is about 41051.9556659607. The cubic root of 1685263064 is about 1190.0244949410.

The spelling of 1685263064 in words is "one billion, six hundred eighty-five million, two hundred sixty-three thousand, sixty-four".