164219408 has 20 divisors (see below), whose sum is σ = 325575888. Its totient is φ = 80199840.

The previous prime is 164219383. The next prime is 164219411. The reversal of 164219408 is 804912461.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118658 + ... + 120033.

Almost surely, 2^164219408 is an apocalyptic number.

It is an amenable number.

164219408 is a deficient number, since it is larger than the sum of its proper divisors (161356480).

164219408 is a wasteful number, since it uses less digits than its factorization.

164219408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238742 (or 238736 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 164219408 is about 12814.8120548060. The cubic root of 164219408 is about 547.6143591867.

The spelling of 164219408 in words is "one hundred sixty-four million, two hundred nineteen thousand, four hundred eight".