164749163 has 2 divisors, whose sum is σ = 164749164. Its totient is φ = 164749162.

The previous prime is 164749129. The next prime is 164749217. The reversal of 164749163 is 361947461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164749163 - 2⁸ = 164748907 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164749163.

It is not a weakly prime, because it can be changed into another prime (164749103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82374581 + 82374582.

It is an arithmetic number, because the mean of its divisors is an integer number (82374582).

Almost surely, 2^164749163 is an apocalyptic number.

164749163 is a deficient number, since it is larger than the sum of its proper divisors (1).

164749163 is an equidigital number, since it uses as much as digits as its factorization.

164749163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 164749163 is about 12835.4650480612. The cubic root of 164749163 is about 548.2025764187.

The spelling of 164749163 in words is "one hundred sixty-four million, seven hundred forty-nine thousand, one hundred sixty-three".