1680067245 has 32 divisors (see below), whose sum is σ = 2857680000. Its totient is φ = 839936000.

The previous prime is 1680067219. The next prime is 1680067297. The reversal of 1680067245 is 5427600861.

It is not a de Polignac number, because 1680067245 - 2⁷ = 1680067117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50881 + ... + 77129.

It is an arithmetic number, because the mean of its divisors is an integer number (89302500).

Almost surely, 2^1680067245 is an apocalyptic number.

1680067245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1680067245 is a deficient number, since it is larger than the sum of its proper divisors (1177612755).

1680067245 is a wasteful number, since it uses less digits than its factorization.

1680067245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26525.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1680067245 is about 40988.6233606351. The cubic root of 1680067245 is about 1188.8002514137.

The spelling of 1680067245 in words is "one billion, six hundred eighty million, sixty-seven thousand, two hundred forty-five".