164555466 has 16 divisors (see below), whose sum is σ = 346432800. Its totient is φ = 51964848.

The previous prime is 164555449. The next prime is 164555473. The reversal of 164555466 is 664555461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721621 + ... + 721848.

It is an arithmetic number, because the mean of its divisors is an integer number (21652050).

Almost surely, 2^164555466 is an apocalyptic number.

164555466 is an abundant number, since it is smaller than the sum of its proper divisors (181877334).

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

164555466 is a wasteful number, since it uses less digits than its factorization.

164555466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443493.

The product of its digits is 432000, while the sum is 42.

The square root of 164555466 is about 12827.9174459458. The cubic root of 164555466 is about 547.9876500138.

The spelling of 164555466 in words is "one hundred sixty-four million, five hundred fifty-five thousand, four hundred sixty-six".