156440635163 has 2 divisors, whose sum is σ = 156440635164. Its totient is φ = 156440635162.

The previous prime is 156440635133. The next prime is 156440635189. The reversal of 156440635163 is 361536044651.

156440635163 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 a cyclic number.

It is not a de Polignac number, because 156440635163 - 2¹⁶ = 156440569627 is a prime.

It is not a weakly prime, because it can be changed into another prime (156440635133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78220317581 + 78220317582.

It is an arithmetic number, because the mean of its divisors is an integer number (78220317582).

Almost surely, 2^156440635163 is an apocalyptic number.

156440635163 is a deficient number, since it is larger than the sum of its proper divisors (1).

156440635163 is an equidigital number, since it uses as much as digits as its factorization.

156440635163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 156440635163 in words is "one hundred fifty-six billion, four hundred forty million, six hundred thirty-five thousand, one hundred sixty-three".