3163640663461 has 2 divisors, whose sum is σ = 3163640663462. Its totient is φ = 3163640663460.

The previous prime is 3163640663383. The next prime is 3163640663483. The reversal of 3163640663461 is 1643660463613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1888618032900 + 1275022630561 = 1374270^2 + 1129169^2 .

It is a cyclic number.

It is not a de Polignac number, because 3163640663461 - 2¹⁹ = 3163640139173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3163640643461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581820331730 + 1581820331731.

It is an arithmetic number, because the mean of its divisors is an integer number (1581820331731).

Almost surely, 2^{3163640663461} is an apocalyptic number.

It is an amenable number.

3163640663461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3163640663461 is an equidigital number, since it uses as much as digits as its factorization.

3163640663461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 49.

The spelling of 3163640663461 in words is "three trillion, one hundred sixty-three billion, six hundred forty million, six hundred sixty-three thousand, four hundred sixty-one".