164543345461 has 8 divisors (see below), whose sum is σ = 179817307200. Its totient is φ = 149321963040.

The previous prime is 164543345441. The next prime is 164543345471.

164543345461 is nontrivially palindromic in base 10.

164543345461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 164543345461 - 2¹¹ = 164543343413 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 (164543345441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13138281 + ... + 13150798.

It is an arithmetic number, because the mean of its divisors is an integer number (22477163400).

Almost surely, 2^164543345461 is an apocalyptic number.

164543345461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

164543345461 is a deficient number, since it is larger than the sum of its proper divisors (15273961739).

164543345461 is a wasteful number, since it uses less digits than its factorization.

164543345461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26289659.

The product of its digits is 2073600, while the sum is 46.

The spelling of 164543345461 in words is "one hundred sixty-four billion, five hundred forty-three million, three hundred forty-five thousand, four hundred sixty-one".