164159461 has 2 divisors, whose sum is σ = 164159462. Its totient is φ = 164159460.

The previous prime is 164159453. The next prime is 164159503. The reversal of 164159461 is 164951461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132687361 + 31472100 = 11519^2 + 5610^2 .

It is a cyclic number.

It is not a de Polignac number, because 164159461 - 2³ = 164159453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164159461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164159161) 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, 82079730 + 82079731.

It is an arithmetic number, because the mean of its divisors is an integer number (82079731).

Almost surely, 2^164159461 is an apocalyptic number.

It is an amenable number.

164159461 is a deficient number, since it is larger than the sum of its proper divisors (1).

164159461 is an equidigital number, since it uses as much as digits as its factorization.

164159461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 164159461 is about 12812.4728682640. The cubic root of 164159461 is about 547.5477169757.

The spelling of 164159461 in words is "one hundred sixty-four million, one hundred fifty-nine thousand, four hundred sixty-one".