164252633 has 2 divisors, whose sum is σ = 164252634. Its totient is φ = 164252632.

The previous prime is 164252629. The next prime is 164252653. The reversal of 164252633 is 336252461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137077264 + 27175369 = 11708^2 + 5213^2 .

It is a cyclic number.

It is not a de Polignac number, because 164252633 - 2² = 164252629 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164252633.

It is not a weakly prime, because it can be changed into another prime (164252603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82126316 + 82126317.

It is an arithmetic number, because the mean of its divisors is an integer number (82126317).

Almost surely, 2^164252633 is an apocalyptic number.

It is an amenable number.

164252633 is a deficient number, since it is larger than the sum of its proper divisors (1).

164252633 is an equidigital number, since it uses as much as digits as its factorization.

164252633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 164252633 is about 12816.1083406781. The cubic root of 164252633 is about 547.6512879525.

The spelling of 164252633 in words is "one hundred sixty-four million, two hundred fifty-two thousand, six hundred thirty-three".