164134501 has 2 divisors, whose sum is σ = 164134502. Its totient is φ = 164134500.

The previous prime is 164134499. The next prime is 164134567. The reversal of 164134501 is 105431461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122544900 + 41589601 = 11070^2 + 6449^2 .

It is a cyclic number.

It is not a de Polignac number, because 164134501 - 2¹ = 164134499 is a prime.

Together with 164134499, 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 (164134301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82067250 + 82067251.

It is an arithmetic number, because the mean of its divisors is an integer number (82067251).

Almost surely, 2^164134501 is an apocalyptic number.

It is an amenable number.

164134501 is a deficient number, since it is larger than the sum of its proper divisors (1).

164134501 is an equidigital number, since it uses as much as digits as its factorization.

164134501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 164134501 is about 12811.4987803926. The cubic root of 164134501 is about 547.5199645215.

Adding to 164134501 its reverse (105431461), we get a palindrome (269565962).

The spelling of 164134501 in words is "one hundred sixty-four million, one hundred thirty-four thousand, five hundred one".