164381059 has 2 divisors, whose sum is σ = 164381060. Its totient is φ = 164381058.

The previous prime is 164381057. The next prime is 164381149. The reversal of 164381059 is 950183461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164381059 - 2¹ = 164381057 is a prime.

It is a super-2 number, since 2×164381059² = 54042265115922962, which contains 22 as substring.

Together with 164381057, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (164381051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82190529 + 82190530.

It is an arithmetic number, because the mean of its divisors is an integer number (82190530).

Almost surely, 2^164381059 is an apocalyptic number.

164381059 is a deficient number, since it is larger than the sum of its proper divisors (1).

164381059 is an equidigital number, since it uses as much as digits as its factorization.

164381059 is an odious number, because the sum of its binary digits is odd.

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

The square root of 164381059 is about 12821.1176969873. The cubic root of 164381059 is about 547.7939834665.

The spelling of 164381059 in words is "one hundred sixty-four million, three hundred eighty-one thousand, fifty-nine".