44161621441316 has 6 divisors (see below), whose sum is σ = 77282837522310. Its totient is φ = 22080810720656.

The previous prime is 44161621441307. The next prime is 44161621441319. The reversal of 44161621441316 is 61314412616144.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28445582233600 + 15716039207716 = 5333440^2 + 3964346^2 .

It is a super-2 number, since 2×44161621441316² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44161621441319) 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 as a sum of consecutive naturals, namely, 5520202680161 + ... + 5520202680168.

It is an arithmetic number, because the mean of its divisors is an integer number (12880472920385).

Almost surely, 2^{44161621441316} is an apocalyptic number.

It is an amenable number.

44161621441316 is a deficient number, since it is larger than the sum of its proper divisors (33121216080994).

44161621441316 is a wasteful number, since it uses less digits than its factorization.

44161621441316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11040405360333 (or 11040405360331 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The spelling of 44161621441316 in words is "forty-four trillion, one hundred sixty-one billion, six hundred twenty-one million, four hundred forty-one thousand, three hundred sixteen".