164342170441 has 2 divisors, whose sum is σ = 164342170442. Its totient is φ = 164342170440.

The previous prime is 164342170427. The next prime is 164342170493. The reversal of 164342170441 is 144071243461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116488420416 + 47853750025 = 341304^2 + 218755^2 .

It is a cyclic number.

It is not a de Polignac number, because 164342170441 - 2⁵ = 164342170409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164342170441.

It is not a weakly prime, because it can be changed into another prime (164342174441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82171085220 + 82171085221.

It is an arithmetic number, because the mean of its divisors is an integer number (82171085221).

Almost surely, 2^164342170441 is an apocalyptic number.

It is an amenable number.

164342170441 is a deficient number, since it is larger than the sum of its proper divisors (1).

164342170441 is an equidigital number, since it uses as much as digits as its factorization.

164342170441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 164342170441 in words is "one hundred sixty-four billion, three hundred forty-two million, one hundred seventy thousand, four hundred forty-one".