164676663 has 12 divisors (see below), whose sum is σ = 237979560. Its totient is φ = 109732176.

The previous prime is 164676653. The next prime is 164676727. The reversal of 164676663 is 366676461.

It is not a de Polignac number, because 164676663 - 2⁴ = 164676647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164676643) 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 in 11 ways as a sum of consecutive naturals, for example, 29208 + ... + 34386.

It is an arithmetic number, because the mean of its divisors is an integer number (19831630).

Almost surely, 2^164676663 is an apocalyptic number.

164676663 is a deficient number, since it is larger than the sum of its proper divisors (73302897).

164676663 is a wasteful number, since it uses less digits than its factorization.

164676663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8718 (or 8715 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 164676663 is about 12832.6405310832. The cubic root of 164676663 is about 548.1221500753.

The spelling of 164676663 in words is "one hundred sixty-four million, six hundred seventy-six thousand, six hundred sixty-three".