164447101361 has 4 divisors (see below), whose sum is σ = 168891617652. Its totient is φ = 160002585072.

The previous prime is 164447101337. The next prime is 164447101391. The reversal of 164447101361 is 163101744461.

164447101361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163101744461 = 1087 ⋅150047603.

It can be written as a sum of positive squares in 2 ways, for example, as 141493336336 + 22953765025 = 376156^2 + 151505^2 .

It is a cyclic number.

It is not a de Polignac number, because 164447101361 - 2³⁰ = 163373359537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164447101391) 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 3 ways as a sum of consecutive naturals, for example, 2222258090 + ... + 2222258163.

It is an arithmetic number, because the mean of its divisors is an integer number (42222904413).

Almost surely, 2^164447101361 is an apocalyptic number.

It is an amenable number.

164447101361 is a deficient number, since it is larger than the sum of its proper divisors (4444516291).

164447101361 is an equidigital number, since it uses as much as digits as its factorization.

164447101361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444516290.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 164447101361 in words is "one hundred sixty-four billion, four hundred forty-seven million, one hundred one thousand, three hundred sixty-one".