244141221161 has 4 divisors (see below), whose sum is σ = 248143536324. Its totient is φ = 240138906000.

The previous prime is 244141221143. The next prime is 244141221173. The reversal of 244141221161 is 161122141442.

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 23199859225 + 220941361936 = 152315^2 + 470044^2 .

It is a cyclic number.

It is not a de Polignac number, because 244141221161 - 2³⁴ = 226961351977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244141221101) 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, 2001157490 + ... + 2001157611.

It is an arithmetic number, because the mean of its divisors is an integer number (62035884081).

Almost surely, 2^244141221161 is an apocalyptic number.

It is an amenable number.

244141221161 is a deficient number, since it is larger than the sum of its proper divisors (4002315163).

244141221161 is an equidigital number, since it uses as much as digits as its factorization.

244141221161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002315162.

The product of its digits is 3072, while the sum is 29.

The spelling of 244141221161 in words is "two hundred forty-four billion, one hundred forty-one million, two hundred twenty-one thousand, one hundred sixty-one".