164351071 has 2 divisors, whose sum is σ = 164351072. Its totient is φ = 164351070.

The previous prime is 164351069. The next prime is 164351101. The reversal of 164351071 is 170153461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164351071 - 2¹ = 164351069 is a prime.

It is a super-2 number, since 2×164351071² = 54022549077694082, which contains 22 as substring.

Together with 164351069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164351771) 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, 82175535 + 82175536.

It is an arithmetic number, because the mean of its divisors is an integer number (82175536).

Almost surely, 2^164351071 is an apocalyptic number.

164351071 is a deficient number, since it is larger than the sum of its proper divisors (1).

164351071 is an equidigital number, since it uses as much as digits as its factorization.

164351071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 164351071 is about 12819.9481668219. The cubic root of 164351071 is about 547.7606701291.

The spelling of 164351071 in words is "one hundred sixty-four million, three hundred fifty-one thousand, seventy-one".