164461404 has 12 divisors (see below), whose sum is σ = 383743304. Its totient is φ = 54820464.

The previous prime is 164461391. The next prime is 164461421. The reversal of 164461404 is 404164461.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6852547 + ... + 6852570.

Almost surely, 2^164461404 is an apocalyptic number.

It is an amenable number.

164461404 is an abundant number, since it is smaller than the sum of its proper divisors (219281900).

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

164461404 is a wasteful number, since it uses less digits than its factorization.

164461404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13705124 (or 13705122 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 164461404 is about 12824.2506213814. The cubic root of 164461404 is about 547.8832178732.

The spelling of 164461404 in words is "one hundred sixty-four million, four hundred sixty-one thousand, four hundred four".