164425067 has 2 divisors, whose sum is σ = 164425068. Its totient is φ = 164425066.

The previous prime is 164425049. The next prime is 164425087. The reversal of 164425067 is 760524461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164425067 - 2⁸ = 164424811 is a prime.

It is a super-3 number, since 3×164425067³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (164425007) 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, 82212533 + 82212534.

It is an arithmetic number, because the mean of its divisors is an integer number (82212534).

Almost surely, 2^164425067 is an apocalyptic number.

164425067 is a deficient number, since it is larger than the sum of its proper divisors (1).

164425067 is an equidigital number, since it uses as much as digits as its factorization.

164425067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 164425067 is about 12822.8338131631. The cubic root of 164425067 is about 547.8428641319.

The spelling of 164425067 in words is "one hundred sixty-four million, four hundred twenty-five thousand, sixty-seven".