164315505427 has 2 divisors, whose sum is σ = 164315505428. Its totient is φ = 164315505426.

The previous prime is 164315505377. The next prime is 164315505457. The reversal of 164315505427 is 724505513461.

164315505427 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 a de Polignac number, because none of the positive numbers 2^k-164315505427 is a prime.

It is not a weakly prime, because it can be changed into another prime (164315505457) 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, 82157752713 + 82157752714.

It is an arithmetic number, because the mean of its divisors is an integer number (82157752714).

Almost surely, 2^164315505427 is an apocalyptic number.

164315505427 is a deficient number, since it is larger than the sum of its proper divisors (1).

164315505427 is an equidigital number, since it uses as much as digits as its factorization.

164315505427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 164315505427 in words is "one hundred sixty-four billion, three hundred fifteen million, five hundred five thousand, four hundred twenty-seven".