164604013 has 16 divisors (see below), whose sum is σ = 199791360. Its totient is φ = 132385536.

The previous prime is 164604007. The next prime is 164604019. The reversal of 164604013 is 310406461.

It is an interprime number because it is at equal distance from previous prime (164604007) and next prime (164604019).

It is a cyclic number.

It is not a de Polignac number, because 164604013 - 2⁹ = 164603501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164604019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40795 + ... + 44647.

It is an arithmetic number, because the mean of its divisors is an integer number (12486960).

Almost surely, 2^164604013 is an apocalyptic number.

It is an amenable number.

164604013 is a deficient number, since it is larger than the sum of its proper divisors (35187347).

164604013 is a wasteful number, since it uses less digits than its factorization.

164604013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 164604013 is about 12829.8095465209. The cubic root of 164604013 is about 548.0415336503.

The spelling of 164604013 in words is "one hundred sixty-four million, six hundred four thousand, thirteen".