1680222600 has 144 divisors (see below), whose sum is σ = 6448902720. Its totient is φ = 384048000.

The previous prime is 1680222553. The next prime is 1680222601. The reversal of 1680222600 is 62220861.

It is not an unprimeable number, because it can be changed into a prime (1680222601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 54076 + ... + 79275.

Almost surely, 2^1680222600 is an apocalyptic number.

1680222600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1680222600 is an abundant number, since it is smaller than the sum of its proper divisors (4768680120).

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

1680222600 is a wasteful number, since it uses less digits than its factorization.

1680222600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133380 (or 133368 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1680222600 is about 40990.5184158483. The cubic root of 1680222600 is about 1188.8368928778.

The spelling of 1680222600 in words is "one billion, six hundred eighty million, two hundred twenty-two thousand, six hundred".