164646464 has 28 divisors (see below), whose sum is σ = 329787504. Its totient is φ = 81550464.

The previous prime is 164646439. The next prime is 164646467. The reversal of 164646464 is 464646461.

It is not an unprimeable number, because it can be changed into a prime (164646467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5174 + ... + 18869.

Almost surely, 2^164646464 is an apocalyptic number.

It is an amenable number.

164646464 is an abundant number, since it is smaller than the sum of its proper divisors (165141040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164646464 is a wasteful number, since it uses less digits than its factorization.

164646464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24162 (or 24152 counting only the distinct ones).

The product of its digits is 331776, while the sum is 41.

The square root of 164646464 is about 12831.4638291974. The cubic root of 164646464 is about 548.0886424885.

The spelling of 164646464 in words is "one hundred sixty-four million, six hundred forty-six thousand, four hundred sixty-four".