164473228 has 18 divisors (see below), whose sum is σ = 297419388. Its totient is φ = 79581960.

The previous prime is 164473219. The next prime is 164473271. The reversal of 164473228 is 822374461.

164473228 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 5 ways as a sum of consecutive naturals, for example, 17550 + ... + 25237.

Almost surely, 2^164473228 is an apocalyptic number.

It is an amenable number.

164473228 is a deficient number, since it is larger than the sum of its proper divisors (132946160).

164473228 is a wasteful number, since it uses less digits than its factorization.

164473228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42853 (or 42820 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 164473228 is about 12824.7116146914. The cubic root of 164473228 is about 547.8963476325.

The spelling of 164473228 in words is "one hundred sixty-four million, four hundred seventy-three thousand, two hundred twenty-eight".