3156660183161 has 2 divisors, whose sum is σ = 3156660183162. Its totient is φ = 3156660183160.

The previous prime is 3156660183113. The next prime is 3156660183163. The reversal of 3156660183161 is 1613810666513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1955575699561 + 1201084483600 = 1398419^2 + 1095940^2 .

It is an emirp because it is prime and its reverse (1613810666513) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3156660183161 is a prime.

Together with 3156660183163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3156660183163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578330091580 + 1578330091581.

It is an arithmetic number, because the mean of its divisors is an integer number (1578330091581).

Almost surely, 2^{3156660183161} is an apocalyptic number.

It is an amenable number.

3156660183161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3156660183161 is an equidigital number, since it uses as much as digits as its factorization.

3156660183161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 3156660183161 in words is "three trillion, one hundred fifty-six billion, six hundred sixty million, one hundred eighty-three thousand, one hundred sixty-one".