1685070063 has 12 divisors (see below), whose sum is σ = 2434872960. Its totient is φ = 1122972576.

The previous prime is 1685070059. The next prime is 1685070071. The reversal of 1685070063 is 3600705861.

It is not a de Polignac number, because 1685070063 - 2² = 1685070059 is a prime.

It is a super-2 number, since 2×1685070063² = 5678922234437647938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685070263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6606 + ... + 58427.

It is an arithmetic number, because the mean of its divisors is an integer number (202906080).

Almost surely, 2^1685070063 is an apocalyptic number.

1685070063 is a deficient number, since it is larger than the sum of its proper divisors (749802897).

1685070063 is a wasteful number, since it uses less digits than its factorization.

1685070063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67918 (or 67915 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1685070063 is about 41049.6049067467. The cubic root of 1685070063 is about 1189.9790649049.

The spelling of 1685070063 in words is "one billion, six hundred eighty-five million, seventy thousand, sixty-three".