3161660473 has 2 divisors, whose sum is σ = 3161660474. Its totient is φ = 3161660472.

The previous prime is 3161660423. The next prime is 3161660479. The reversal of 3161660473 is 3740661613.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2648955024 + 512705449 = 51468^2 + 22643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3161660473 is a prime.

It is not a weakly prime, because it can be changed into another prime (3161660479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580830236 + 1580830237.

It is an arithmetic number, because the mean of its divisors is an integer number (1580830237).

Almost surely, 2^3161660473 is an apocalyptic number.

It is an amenable number.

3161660473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161660473 is an equidigital number, since it uses as much as digits as its factorization.

3161660473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 3161660473 is about 56228.6445950816. The cubic root of 3161660473 is about 1467.7037704401.

The spelling of 3161660473 in words is "three billion, one hundred sixty-one million, six hundred sixty thousand, four hundred seventy-three".