1680277659841 has 8 divisors (see below), whose sum is σ = 1833130270944. Its totient is φ = 1527441731520.

The previous prime is 1680277659839. The next prime is 1680277659857. The reversal of 1680277659841 is 1489567720861.

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

It is a cyclic number.

It is not a de Polignac number, because 1680277659841 - 2¹ = 1680277659839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1680277659241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3959631 + ... + 4363396.

It is an arithmetic number, because the mean of its divisors is an integer number (229141283868).

Almost surely, 2^{1680277659841} is an apocalyptic number.

1680277659841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1680277659841 is a deficient number, since it is larger than the sum of its proper divisors (152852611103).

1680277659841 is a wasteful number, since it uses less digits than its factorization.

1680277659841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8341391.

The product of its (nonzero) digits is 40642560, while the sum is 64.

The spelling of 1680277659841 in words is "one trillion, six hundred eighty billion, two hundred seventy-seven million, six hundred fifty-nine thousand, eight hundred forty-one".