46644440161 has 24 divisors (see below), whose sum is σ = 51485603400. Its totient is φ = 42226483200.

The previous prime is 46644440123. The next prime is 46644440177. The reversal of 46644440161 is 16104444664.

It is a happy number.

46644440161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 23425600 + 46621014561 = 4840^2 + 215919^2 .

It is not a de Polignac number, because 46644440161 - 2⁹ = 46644439649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46644440261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52944441 + ... + 52945321.

It is an arithmetic number, because the mean of its divisors is an integer number (2145233475).

Almost surely, 2^46644440161 is an apocalyptic number.

It is an amenable number.

46644440161 is a deficient number, since it is larger than the sum of its proper divisors (4841163239).

46644440161 is a wasteful number, since it uses less digits than its factorization.

46644440161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 2230 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

It can be divided in two parts, 466444 and 40161, that added together give a palindrome (506605).

The spelling of 46644440161 in words is "forty-six billion, six hundred forty-four million, four hundred forty thousand, one hundred sixty-one".