164970653 has 2 divisors, whose sum is σ = 164970654. Its totient is φ = 164970652.

The previous prime is 164970649. The next prime is 164970691. The reversal of 164970653 is 356079461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145274809 + 19695844 = 12053^2 + 4438^2 .

It is an emirp because it is prime and its reverse (356079461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164970653 - 2² = 164970649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 164970653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164970643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82485326 + 82485327.

It is an arithmetic number, because the mean of its divisors is an integer number (82485327).

Almost surely, 2^164970653 is an apocalyptic number.

It is an amenable number.

164970653 is a deficient number, since it is larger than the sum of its proper divisors (1).

164970653 is an equidigital number, since it uses as much as digits as its factorization.

164970653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 164970653 is about 12844.0901974410. The cubic root of 164970653 is about 548.4481356146.

The spelling of 164970653 in words is "one hundred sixty-four million, nine hundred seventy thousand, six hundred fifty-three".