3156666563 has 2 divisors, whose sum is σ = 3156666564. Its totient is φ = 3156666562.

The previous prime is 3156666551. The next prime is 3156666571. The reversal of 3156666563 is 3656666513.

3156666563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (3656666513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3156666563 - 2¹⁶ = 3156601027 is a prime.

It is not a weakly prime, because it can be changed into another prime (3156666463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578333281 + 1578333282.

It is an arithmetic number, because the mean of its divisors is an integer number (1578333282).

Almost surely, 2^3156666563 is an apocalyptic number.

3156666563 is a deficient number, since it is larger than the sum of its proper divisors (1).

3156666563 is an equidigital number, since it uses as much as digits as its factorization.

3156666563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1749600, while the sum is 47.

The square root of 3156666563 is about 56184.2198753351. The cubic root of 3156666563 is about 1466.9306067744.

The spelling of 3156666563 in words is "three billion, one hundred fifty-six million, six hundred sixty-six thousand, five hundred sixty-three".