1680036852 has 24 divisors (see below), whose sum is σ = 4221631456. Its totient is φ = 516934368.

The previous prime is 1680036803. The next prime is 1680036871. The reversal of 1680036852 is 2586300861.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1680036852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5384578 + ... + 5384889.

Almost surely, 2^1680036852 is an apocalyptic number.

1680036852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1680036852 is an abundant number, since it is smaller than the sum of its proper divisors (2541594604).

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

1680036852 is a wasteful number, since it uses less digits than its factorization.

1680036852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10769487 (or 10769485 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1680036852 is about 40988.2526097417. The cubic root of 1680036852 is about 1188.7930827673.

The spelling of 1680036852 in words is "one billion, six hundred eighty million, thirty-six thousand, eight hundred fifty-two".