164066444 has 12 divisors (see below), whose sum is σ = 302227800. Its totient is φ = 77715648.

The previous prime is 164066431. The next prime is 164066459. The reversal of 164066444 is 444660461.

164066444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079309 + ... + 1079460.

It is an arithmetic number, because the mean of its divisors is an integer number (25185650).

Almost surely, 2^164066444 is an apocalyptic number.

It is an amenable number.

164066444 is a deficient number, since it is larger than the sum of its proper divisors (138161356).

164066444 is a wasteful number, since it uses less digits than its factorization.

164066444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158792 (or 2158790 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 164066444 is about 12808.8424145197. The cubic root of 164066444 is about 547.4442791997. Note that the first 3 decimals are identical.

The spelling of 164066444 in words is "one hundred sixty-four million, sixty-six thousand, four hundred forty-four".