1682216899 has 12 divisors (see below), whose sum is σ = 1850695000. Its totient is φ = 1527926400.

The previous prime is 1682216867. The next prime is 1682216917. The reversal of 1682216899 is 9986122861.

It is not a de Polignac number, because 1682216899 - 2⁵ = 1682216867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1682216099) 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, 145564 + ... + 156694.

Almost surely, 2^1682216899 is an apocalyptic number.

1682216899 is a deficient number, since it is larger than the sum of its proper divisors (168478101).

1682216899 is a wasteful number, since it uses less digits than its factorization.

1682216899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12402 (or 12391 counting only the distinct ones).

The product of its digits is 746496, while the sum is 52.

The square root of 1682216899 is about 41014.8375469171. The cubic root of 1682216899 is about 1189.3070605049.

The spelling of 1682216899 in words is "one billion, six hundred eighty-two million, two hundred sixteen thousand, eight hundred ninety-nine".