164144093 has 2 divisors, whose sum is σ = 164144094. Its totient is φ = 164144092.

The previous prime is 164144051. The next prime is 164144117. The reversal of 164144093 is 390441461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162894169 + 1249924 = 12763^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 164144093 - 2¹⁴ = 164127709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164144023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82072046 + 82072047.

It is an arithmetic number, because the mean of its divisors is an integer number (82072047).

Almost surely, 2^164144093 is an apocalyptic number.

It is an amenable number.

164144093 is a deficient number, since it is larger than the sum of its proper divisors (1).

164144093 is an equidigital number, since it uses as much as digits as its factorization.

164144093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 164144093 is about 12811.8731261280. The cubic root of 164144093 is about 547.5306299802.

The spelling of 164144093 in words is "one hundred sixty-four million, one hundred forty-four thousand, ninety-three".