1680716270 has 16 divisors (see below), whose sum is σ = 3025786320. Its totient is φ = 672176064.

The previous prime is 1680716249. The next prime is 1680716293. The reversal of 1680716270 is 726170861.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81314 + ... + 99866.

It is an arithmetic number, because the mean of its divisors is an integer number (189111645).

Almost surely, 2^1680716270 is an apocalyptic number.

1680716270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1680716270 is a deficient number, since it is larger than the sum of its proper divisors (1345070050).

1680716270 is a wasteful number, since it uses less digits than its factorization.

1680716270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27619.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 1680716270 is about 40996.5397320310. The cubic root of 1680716270 is about 1188.9533130948.

The spelling of 1680716270 in words is "one billion, six hundred eighty million, seven hundred sixteen thousand, two hundred seventy".