3156666463 has 2 divisors, whose sum is σ = 3156666464. Its totient is φ = 3156666462.

The previous prime is 3156666449. The next prime is 3156666551. The reversal of 3156666463 is 3646666513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3156666463 - 2⁹ = 3156665951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3156666563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578333231 + 1578333232.

It is an arithmetic number, because the mean of its divisors is an integer number (1578333232).

Almost surely, 2^3156666463 is an apocalyptic number.

3156666463 is a deficient number, since it is larger than the sum of its proper divisors (1).

3156666463 is an equidigital number, since it uses as much as digits as its factorization.

3156666463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 46.

The square root of 3156666463 is about 56184.2189854055. The cubic root of 3156666463 is about 1466.9305912841.

The spelling of 3156666463 in words is "three billion, one hundred fifty-six million, six hundred sixty-six thousand, four hundred sixty-three".