1680067244 has 24 divisors (see below), whose sum is σ = 3004209600. Its totient is φ = 821857680.

The previous prime is 1680067219. The next prime is 1680067297. The reversal of 1680067244 is 4427600861.

It is a junction number, because it is equal to n+sod(n) for n = 1680067198 and 1680067207.

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, 32927 + ... + 66665.

It is an arithmetic number, because the mean of its divisors is an integer number (125175400).

Almost surely, 2^1680067244 is an apocalyptic number.

It is an amenable number.

1680067244 is a deficient number, since it is larger than the sum of its proper divisors (1324142356).

1680067244 is a wasteful number, since it uses less digits than its factorization.

1680067244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34013 (or 34011 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 1680067244 is about 40988.6233484366. The cubic root of 1680067244 is about 1188.8002511778.

The spelling of 1680067244 in words is "one billion, six hundred eighty million, sixty-seven thousand, two hundred forty-four".