1680067263 has 24 divisors (see below), whose sum is σ = 2607845760. Its totient is φ = 959291760.

The previous prime is 1680067219. The next prime is 1680067297. The reversal of 1680067263 is 3627600861.

It is not a de Polignac number, because 1680067263 - 2⁶ = 1680067199 is a prime.

It is a super-2 number, since 2×1680067263² = 5645252016408622338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680067463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225508 + ... + 232838.

It is an arithmetic number, because the mean of its divisors is an integer number (108660240).

Almost surely, 2^1680067263 is an apocalyptic number.

1680067263 is a deficient number, since it is larger than the sum of its proper divisors (927778497).

1680067263 is a wasteful number, since it uses less digits than its factorization.

1680067263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8907 (or 8900 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1680067263 is about 40988.6235802082. The cubic root of 1680067263 is about 1188.8002556592.

The spelling of 1680067263 in words is "one billion, six hundred eighty million, sixty-seven thousand, two hundred sixty-three".