164809464 has 16 divisors (see below), whose sum is σ = 412023720. Its totient is φ = 54936480.

The previous prime is 164809451. The next prime is 164809511. The reversal of 164809464 is 464908461.

It is a congruent number.

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, 3433507 + ... + 3433554.

Almost surely, 2^164809464 is an apocalyptic number.

It is an amenable number.

164809464 is an abundant number, since it is smaller than the sum of its proper divisors (247214256).

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

164809464 is a wasteful number, since it uses less digits than its factorization.

164809464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6867070 (or 6867066 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 164809464 is about 12837.8138325807. The cubic root of 164809464 is about 548.2694520872.

It can be divided in two parts, 164 and 809464, that added together give a triangular number (809628 = T₁₂₇₂).

The spelling of 164809464 in words is "one hundred sixty-four million, eight hundred nine thousand, four hundred sixty-four".