164875441427 has 2 divisors, whose sum is σ = 164875441428. Its totient is φ = 164875441426.

The previous prime is 164875441417. The next prime is 164875441457. The reversal of 164875441427 is 724144578461.

It is a happy number.

164875441427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164875441427 is a prime.

It is a super-2 number, since 2×164875441427² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164875441417) 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, 82437720713 + 82437720714.

It is an arithmetic number, because the mean of its divisors is an integer number (82437720714).

Almost surely, 2^164875441427 is an apocalyptic number.

164875441427 is a deficient number, since it is larger than the sum of its proper divisors (1).

164875441427 is an equidigital number, since it uses as much as digits as its factorization.

164875441427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6021120, while the sum is 53.

The spelling of 164875441427 in words is "one hundred sixty-four billion, eight hundred seventy-five million, four hundred forty-one thousand, four hundred twenty-seven".