1680512002 has 24 divisors (see below), whose sum is σ = 2757782916. Its totient is φ = 767609856.

The previous prime is 1680511967. The next prime is 1680512011. The reversal of 1680512002 is 2002150861.

It can be written as a sum of positive squares in 6 ways, for example, as 23126481 + 1657385521 = 4809^2 + 40711^2 .

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, 7158 + ... + 58414.

Almost surely, 2^1680512002 is an apocalyptic number.

1680512002 is a deficient number, since it is larger than the sum of its proper divisors (1077270914).

1680512002 is a wasteful number, since it uses less digits than its factorization.

1680512002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51382 (or 51369 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1680512002 is about 40994.0483729041. The cubic root of 1680512002 is about 1188.9051441565.

Adding to 1680512002 its reverse (2002150861), we get a palindrome (3682662863).

The spelling of 1680512002 in words is "one billion, six hundred eighty million, five hundred twelve thousand, two".