164543466041 has 4 divisors (see below), whose sum is σ = 165137486052. Its totient is φ = 163949446032.

The previous prime is 164543466007. The next prime is 164543466053. The reversal of 164543466041 is 140664345461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70843807225 + 93699658816 = 266165^2 + 306104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164543466041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164543465983 and 164543466001.

It is not an unprimeable number, because it can be changed into a prime (164543466001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297009590 + ... + 297010143.

It is an arithmetic number, because the mean of its divisors is an integer number (41284371513).

Almost surely, 2^164543466041 is an apocalyptic number.

It is an amenable number.

164543466041 is a deficient number, since it is larger than the sum of its proper divisors (594020011).

164543466041 is an equidigital number, since it uses as much as digits as its factorization.

164543466041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594020010.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 164543466041 in words is "one hundred sixty-four billion, five hundred forty-three million, four hundred sixty-six thousand, forty-one".