3163681855013 has 4 divisors (see below), whose sum is σ = 3163863871008. Its totient is φ = 3163499839020.

The previous prime is 3163681854967. The next prime is 3163681855027. The reversal of 3163681855013 is 3105581863613.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3163681855013 - 2²⁰ = 3163680806437 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 (3163681855073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90981923 + ... + 91016688.

It is an arithmetic number, because the mean of its divisors is an integer number (790965967752).

Almost surely, 2^{3163681855013} is an apocalyptic number.

It is an amenable number.

3163681855013 is a deficient number, since it is larger than the sum of its proper divisors (182015995).

3163681855013 is a wasteful number, since it uses less digits than its factorization.

3163681855013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182015994.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 3163681855013 in words is "three trillion, one hundred sixty-three billion, six hundred eighty-one million, eight hundred fifty-five thousand, thirteen".