164043035665204 has 12 divisors (see below), whose sum is σ = 287075532082500. Its totient is φ = 82021455070208.

The previous prime is 164043035665183. The next prime is 164043035665219. The reversal of 164043035665204 is 402566530340461.

It can be written as a sum of positive squares in 2 ways, for example, as 105690010000 + 163937345655204 = 325100^2 + 12803802^2 .

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, 9542029 + ... + 20472820.

It is an arithmetic number, because the mean of its divisors is an integer number (23922961006875).

Almost surely, 2^{164043035665204} is an apocalyptic number.

It is an amenable number.

164043035665204 is a deficient number, since it is larger than the sum of its proper divisors (123032496417296).

164043035665204 is a wasteful number, since it uses less digits than its factorization.

164043035665204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31381202 (or 31381200 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 164043035665204 in words is "one hundred sixty-four trillion, forty-three billion, thirty-five million, six hundred sixty-five thousand, two hundred four".