164542463 has 2 divisors, whose sum is σ = 164542464. Its totient is φ = 164542462.

The previous prime is 164542459. The next prime is 164542481. The reversal of 164542463 is 364245461.

It is a weak prime.

It is an emirp because it is prime and its reverse (364245461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164542463 - 2² = 164542459 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164542453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82271231 + 82271232.

It is an arithmetic number, because the mean of its divisors is an integer number (82271232).

Almost surely, 2^164542463 is an apocalyptic number.

164542463 is a deficient number, since it is larger than the sum of its proper divisors (1).

164542463 is an equidigital number, since it uses as much as digits as its factorization.

164542463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 35.

The square root of 164542463 is about 12827.4106116550. The cubic root of 164542463 is about 547.9732158309.

The spelling of 164542463 in words is "one hundred sixty-four million, five hundred forty-two thousand, four hundred sixty-three".