164146663 has 2 divisors, whose sum is σ = 164146664. Its totient is φ = 164146662.

The previous prime is 164146613. The next prime is 164146709. The reversal of 164146663 is 366641461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164146663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164146603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82073331 + 82073332.

It is an arithmetic number, because the mean of its divisors is an integer number (82073332).

Almost surely, 2^164146663 is an apocalyptic number.

164146663 is a deficient number, since it is larger than the sum of its proper divisors (1).

164146663 is an equidigital number, since it uses as much as digits as its factorization.

164146663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

The square root of 164146663 is about 12811.9734233255. The cubic root of 164146663 is about 547.5334875231.

The spelling of 164146663 in words is "one hundred sixty-four million, one hundred forty-six thousand, six hundred sixty-three".