1680318094 has 24 divisors (see below), whose sum is σ = 3157523208. Its totient is φ = 664740720.

The previous prime is 1680318089. The next prime is 1680318119. The reversal of 1680318094 is 4908130861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 658192 + ... + 660739.

It is an arithmetic number, because the mean of its divisors is an integer number (131563467).

Almost surely, 2^1680318094 is an apocalyptic number.

1680318094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1680318094 is a deficient number, since it is larger than the sum of its proper divisors (1477205114).

1680318094 is a wasteful number, since it uses less digits than its factorization.

1680318094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318960 (or 1318953 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1680318094 is about 40991.6832296504. The cubic root of 1680318094 is about 1188.8594146237.

The spelling of 1680318094 in words is "one billion, six hundred eighty million, three hundred eighteen thousand, ninety-four".