164401459 has 2 divisors, whose sum is σ = 164401460. Its totient is φ = 164401458.

The previous prime is 164401429. The next prime is 164401469. The reversal of 164401459 is 954104461.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164401459 - 2⁷ = 164401331 is a prime.

It is a super-3 number, since 3×164401459³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (164401429) 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, 82200729 + 82200730.

It is an arithmetic number, because the mean of its divisors is an integer number (82200730).

Almost surely, 2^164401459 is an apocalyptic number.

164401459 is a deficient number, since it is larger than the sum of its proper divisors (1).

164401459 is an equidigital number, since it uses as much as digits as its factorization.

164401459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 164401459 is about 12821.9132347712. The cubic root of 164401459 is about 547.8166432853.

The spelling of 164401459 in words is "one hundred sixty-four million, four hundred one thousand, four hundred fifty-nine".