164822851 has 2 divisors, whose sum is σ = 164822852. Its totient is φ = 164822850.

The previous prime is 164822849. The next prime is 164822869. The reversal of 164822851 is 158228461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164822851 - 2¹ = 164822849 is a prime.

Together with 164822849, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 164822851.

It is not a weakly prime, because it can be changed into another prime (164832851) 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, 82411425 + 82411426.

It is an arithmetic number, because the mean of its divisors is an integer number (82411426).

Almost surely, 2^164822851 is an apocalyptic number.

164822851 is a deficient number, since it is larger than the sum of its proper divisors (1).

164822851 is an equidigital number, since it uses as much as digits as its factorization.

164822851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 37.

The square root of 164822851 is about 12838.3352113894. The cubic root of 164822851 is about 548.2842964702.

The spelling of 164822851 in words is "one hundred sixty-four million, eight hundred twenty-two thousand, eight hundred fifty-one".