1680630441 has 8 divisors (see below), whose sum is σ = 2560960704. Its totient is φ = 960360240.

The previous prime is 1680630433. The next prime is 1680630449. The reversal of 1680630441 is 1440360861.

It is an interprime number because it is at equal distance from previous prime (1680630433) and next prime (1680630449).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1680630441 - 2³ = 1680630433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1680630449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40014990 + ... + 40015031.

It is an arithmetic number, because the mean of its divisors is an integer number (320120088).

Almost surely, 2^1680630441 is an apocalyptic number.

It is an amenable number.

1680630441 is a deficient number, since it is larger than the sum of its proper divisors (880330263).

1680630441 is an equidigital number, since it uses as much as digits as its factorization.

1680630441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80030031.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1680630441 is about 40995.4929351996. The cubic root of 1680630441 is about 1188.9330740232.

The spelling of 1680630441 in words is "one billion, six hundred eighty million, six hundred thirty thousand, four hundred forty-one".