162808427 has 2 divisors, whose sum is σ = 162808428. Its totient is φ = 162808426.

The previous prime is 162808411. The next prime is 162808447. The reversal of 162808427 is 724808261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162808427 - 2⁴ = 162808411 is a prime.

It is not a weakly prime, because it can be changed into another prime (162808447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81404213 + 81404214.

It is an arithmetic number, because the mean of its divisors is an integer number (81404214).

Almost surely, 2^162808427 is an apocalyptic number.

162808427 is a deficient number, since it is larger than the sum of its proper divisors (1).

162808427 is an equidigital number, since it uses as much as digits as its factorization.

162808427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 162808427 is about 12759.6405513635. The cubic root of 162808427 is about 546.0414695208.

The spelling of 162808427 in words is "one hundred sixty-two million, eight hundred eight thousand, four hundred twenty-seven".