162404661427 has 2 divisors, whose sum is σ = 162404661428. Its totient is φ = 162404661426.

The previous prime is 162404661403. The next prime is 162404661481. The reversal of 162404661427 is 724166404261.

It is a weak prime.

It is an emirp because it is prime and its reverse (724166404261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162404661427 is a prime.

It is not a weakly prime, because it can be changed into another prime (162404661227) 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, 81202330713 + 81202330714.

It is an arithmetic number, because the mean of its divisors is an integer number (81202330714).

Almost surely, 2^162404661427 is an apocalyptic number.

162404661427 is a deficient number, since it is larger than the sum of its proper divisors (1).

162404661427 is an equidigital number, since it uses as much as digits as its factorization.

162404661427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 162404661427 in words is "one hundred sixty-two billion, four hundred four million, six hundred sixty-one thousand, four hundred twenty-seven".