164108963 has 2 divisors, whose sum is σ = 164108964. Its totient is φ = 164108962.

The previous prime is 164108953. The next prime is 164108993. The reversal of 164108963 is 369801461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164108963 - 2¹⁸ = 163846819 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (164108953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82054481 + 82054482.

It is an arithmetic number, because the mean of its divisors is an integer number (82054482).

Almost surely, 2^164108963 is an apocalyptic number.

164108963 is a deficient number, since it is larger than the sum of its proper divisors (1).

164108963 is an equidigital number, since it uses as much as digits as its factorization.

164108963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 164108963 is about 12810.5020588578. The cubic root of 164108963 is about 547.4915664902.

The spelling of 164108963 in words is "one hundred sixty-four million, one hundred eight thousand, nine hundred sixty-three".