1680498316 has 42 divisors (see below), whose sum is σ = 3431974028. Its totient is φ = 720011880.

The previous prime is 1680498311. The next prime is 1680498329. The reversal of 1680498316 is 6138940861.

It is not an unprimeable number, because it can be changed into a prime (1680498311) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 468811 + ... + 472381.

Almost surely, 2^1680498316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1680498316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1715987014).

1680498316 is an abundant number, since it is smaller than the sum of its proper divisors (1751475712).

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

1680498316 is an frugal number, since it uses more digits than its factorization.

1680498316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617 (or 3580 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1680498316 is about 40993.8814458938. The cubic root of 1680498316 is about 1188.9019166878.

The spelling of 1680498316 in words is "one billion, six hundred eighty million, four hundred ninety-eight thousand, three hundred sixteen".