164626040041 has 4 divisors (see below), whose sum is σ = 168128721792. Its totient is φ = 161123358292.

The previous prime is 164626040039. The next prime is 164626040071. The reversal of 164626040041 is 140040626461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164626040041 - 2¹ = 164626040039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164626039979 and 164626040006.

It is not an unprimeable number, because it can be changed into a prime (164626040071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751340805 + ... + 1751340898.

It is an arithmetic number, because the mean of its divisors is an integer number (42032180448).

Almost surely, 2^164626040041 is an apocalyptic number.

It is an amenable number.

164626040041 is a deficient number, since it is larger than the sum of its proper divisors (3502681751).

164626040041 is an equidigital number, since it uses as much as digits as its factorization.

164626040041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502681750.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 164626040041 in words is "one hundred sixty-four billion, six hundred twenty-six million, forty thousand, forty-one".