164504406 has 32 divisors (see below), whose sum is σ = 359405568. Its totient is φ = 49782240.

The previous prime is 164504381. The next prime is 164504437. The reversal of 164504406 is 604405461.

164504406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70596 + ... + 72888.

It is an arithmetic number, because the mean of its divisors is an integer number (11231424).

Almost surely, 2^164504406 is an apocalyptic number.

164504406 is an abundant number, since it is smaller than the sum of its proper divisors (194901162).

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

164504406 is a wasteful number, since it uses less digits than its factorization.

164504406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 164504406 is about 12825.9271009935. The cubic root of 164504406 is about 547.9309656942.

Adding to 164504406 its reverse (604405461), we get a palindrome (768909867).

The spelling of 164504406 in words is "one hundred sixty-four million, five hundred four thousand, four hundred six".