3163681855073 has 2 divisors, whose sum is σ = 3163681855074. Its totient is φ = 3163681855072.

The previous prime is 3163681855051. The next prime is 3163681855079. The reversal of 3163681855073 is 3705581863613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2442868969024 + 720812886049 = 1562968^2 + 849007^2 .

It is a cyclic number.

It is not a de Polignac number, because 3163681855073 - 2¹⁶ = 3163681789537 is a prime.

It is not a weakly prime, because it can be changed into another prime (3163681855079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581840927536 + 1581840927537.

It is an arithmetic number, because the mean of its divisors is an integer number (1581840927537).

Almost surely, 2^{3163681855073} is an apocalyptic number.

It is an amenable number.

3163681855073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3163681855073 is an equidigital number, since it uses as much as digits as its factorization.

3163681855073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 3163681855073 in words is "three trillion, one hundred sixty-three billion, six hundred eighty-one million, eight hundred fifty-five thousand, seventy-three".