1680056832 has 80 divisors (see below), whose sum is σ = 4491444672. Its totient is φ = 558059520.

The previous prime is 1680056813. The next prime is 1680056839. The reversal of 1680056832 is 2386500861.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1680056839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475938 + ... + 479454.

Almost surely, 2^1680056832 is an apocalyptic number.

1680056832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1680056832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2245722336).

1680056832 is an abundant number, since it is smaller than the sum of its proper divisors (2811387840).

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

1680056832 is an equidigital number, since it uses as much as digits as its factorization.

1680056832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849 (or 3833 counting only the distinct ones).

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

The square root of 1680056832 is about 40988.4963373872. The cubic root of 1680056832 is about 1188.7977953607.

The spelling of 1680056832 in words is "one billion, six hundred eighty million, fifty-six thousand, eight hundred thirty-two".