1680718374 has 24 divisors (see below), whose sum is σ = 3767128560. Its totient is φ = 540920688.

The previous prime is 1680718373. The next prime is 1680718393. The reversal of 1680718374 is 4738170861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680718373) 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, 1609362 + ... + 1610405.

It is an arithmetic number, because the mean of its divisors is an integer number (156963690).

Almost surely, 2^1680718374 is an apocalyptic number.

1680718374 is an abundant number, since it is smaller than the sum of its proper divisors (2086410186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1680718374 is a wasteful number, since it uses less digits than its factorization.

1680718374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219804 (or 3219801 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 1680718374 is about 40996.5653927253. The cubic root of 1680718374 is about 1188.9538092239.

The spelling of 1680718374 in words is "one billion, six hundred eighty million, seven hundred eighteen thousand, three hundred seventy-four".