3160860641821 has 8 divisors (see below), whose sum is σ = 3165018979544. Its totient is φ = 3156705034560.

The previous prime is 3160860641777. The next prime is 3160860641867. The reversal of 3160860641821 is 1281460680613.

It can be written as a sum of positive squares in 4 ways, for example, as 357262025796 + 2803598616025 = 597714^2 + 1674395^2 .

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 3160860641821 - 2⁷ = 3160860641693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3160860641881) 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, 1639351 + ... + 3001531.

It is an arithmetic number, because the mean of its divisors is an integer number (395627372443).

Almost surely, 2^{3160860641821} is an apocalyptic number.

It is an amenable number.

3160860641821 is a deficient number, since it is larger than the sum of its proper divisors (4158337723).

3160860641821 is a wasteful number, since it uses less digits than its factorization.

3160860641821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365231.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 3160860641821 in words is "three trillion, one hundred sixty billion, eight hundred sixty million, six hundred forty-one thousand, eight hundred twenty-one".