164537071 has 2 divisors, whose sum is σ = 164537072. Its totient is φ = 164537070.

The previous prime is 164537029. The next prime is 164537089. The reversal of 164537071 is 170735461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164537071 - 2¹⁷ = 164405999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164537011) 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, 82268535 + 82268536.

It is an arithmetic number, because the mean of its divisors is an integer number (82268536).

Almost surely, 2^164537071 is an apocalyptic number.

164537071 is a deficient number, since it is larger than the sum of its proper divisors (1).

164537071 is an equidigital number, since it uses as much as digits as its factorization.

164537071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 164537071 is about 12827.2004350131. The cubic root of 164537071 is about 547.9672301341.

The spelling of 164537071 in words is "one hundred sixty-four million, five hundred thirty-seven thousand, seventy-one".