44566161 has 4 divisors (see below), whose sum is σ = 59421552. Its totient is φ = 29710772.

The previous prime is 44566147. The next prime is 44566169. The reversal of 44566161 is 16166544.

It is a happy number.

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 44566161 - 2¹⁷ = 44435089 is a prime.

It is a super-2 number, since 2×44566161² = 3972285412555842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44566169) 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, 7427691 + ... + 7427696.

It is an arithmetic number, because the mean of its divisors is an integer number (14855388).

Almost surely, 2^44566161 is an apocalyptic number.

It is an amenable number.

44566161 is a deficient number, since it is larger than the sum of its proper divisors (14855391).

44566161 is a wasteful number, since it uses less digits than its factorization.

44566161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14855390.

The product of its digits is 17280, while the sum is 33.

The square root of 44566161 is about 6675.7891668326. The cubic root of 44566161 is about 354.5425861761.

The spelling of 44566161 in words is "forty-four million, five hundred sixty-six thousand, one hundred sixty-one".