164864968 has 8 divisors (see below), whose sum is σ = 309121830. Its totient is φ = 82432480.

The previous prime is 164864899. The next prime is 164865011. The reversal of 164864968 is 869468461.

164864968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 95609284 + 69255684 = 9778^2 + 8322^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10304053 + ... + 10304068.

Almost surely, 2^164864968 is an apocalyptic number.

It is an amenable number.

164864968 is a deficient number, since it is larger than the sum of its proper divisors (144256862).

164864968 is a wasteful number, since it uses less digits than its factorization.

164864968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20608127 (or 20608123 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The square root of 164864968 is about 12839.9753893845. The cubic root of 164864968 is about 548.3309933187.

The spelling of 164864968 in words is "one hundred sixty-four million, eight hundred sixty-four thousand, nine hundred sixty-eight".