41550164204161 has 4 divisors (see below), whose sum is σ = 41554396684612. Its totient is φ = 41545931723712.

The previous prime is 41550164204119. The next prime is 41550164204183. The reversal of 41550164204161 is 16140246105514.

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 41344179843136 + 205984361025 = 6429944^2 + 453855^2 .

It is a cyclic number.

It is not a de Polignac number, because 41550164204161 - 2²⁷ = 41550029986433 is a prime.

It is a super-2 number, since 2×41550164204161² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41550164204561) 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, 2116225500 + ... + 2116245133.

It is an arithmetic number, because the mean of its divisors is an integer number (10388599171153).

Almost surely, 2^{41550164204161} is an apocalyptic number.

It is an amenable number.

41550164204161 is a deficient number, since it is larger than the sum of its proper divisors (4232480451).

41550164204161 is an equidigital number, since it uses as much as digits as its factorization.

41550164204161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232480450.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 41550164204161 in words is "forty-one trillion, five hundred fifty billion, one hundred sixty-four million, two hundred four thousand, one hundred sixty-one".