164160401 has 2 divisors, whose sum is σ = 164160402. Its totient is φ = 164160400.

The previous prime is 164160391. The next prime is 164160427. The reversal of 164160401 is 104061461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87142225 + 77018176 = 9335^2 + 8776^2 .

It is a cyclic number.

It is not a de Polignac number, because 164160401 - 2¹⁰ = 164159377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164160301) 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, 82080200 + 82080201.

It is an arithmetic number, because the mean of its divisors is an integer number (82080201).

Almost surely, 2^164160401 is an apocalyptic number.

It is an amenable number.

164160401 is a deficient number, since it is larger than the sum of its proper divisors (1).

164160401 is an equidigital number, since it uses as much as digits as its factorization.

164160401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 164160401 is about 12812.5095512160. The cubic root of 164160401 is about 547.5487620852.

The spelling of 164160401 in words is "one hundred sixty-four million, one hundred sixty thousand, four hundred one".