164197818033 has 8 divisors (see below), whose sum is σ = 218942800896. Its totient is φ = 109459023600.

The previous prime is 164197818011. The next prime is 164197818053. The reversal of 164197818033 is 330818791461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-164197818033 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164197818053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484838 + ... + 1591583.

It is an arithmetic number, because the mean of its divisors is an integer number (27367850112).

Almost surely, 2^164197818033 is an apocalyptic number.

It is an amenable number.

164197818033 is a deficient number, since it is larger than the sum of its proper divisors (54744982863).

164197818033 is a wasteful number, since it uses less digits than its factorization.

164197818033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094215.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 164197818033 in words is "one hundred sixty-four billion, one hundred ninety-seven million, eight hundred eighteen thousand, thirty-three".