4644315421161 has 64 divisors (see below), whose sum is σ = 6737723596800. Its totient is φ = 2828662629120.

The previous prime is 4644315421061. The next prime is 4644315421199. The reversal of 4644315421161 is 1611245134464.

It is not a de Polignac number, because 4644315421161 - 2⁹ = 4644315420649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4644315421061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1720752790 + ... + 1720755488.

It is an arithmetic number, because the mean of its divisors is an integer number (105276931200).

Almost surely, 2^{4644315421161} is an apocalyptic number.

It is an amenable number.

4644315421161 is a deficient number, since it is larger than the sum of its proper divisors (2093408175639).

4644315421161 is a wasteful number, since it uses less digits than its factorization.

4644315421161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926.

The product of its digits is 276480, while the sum is 42.

The spelling of 4644315421161 in words is "four trillion, six hundred forty-four billion, three hundred fifteen million, four hundred twenty-one thousand, one hundred sixty-one".