4643621161 has 16 divisors (see below), whose sum is σ = 4845998080. Its totient is φ = 4444683840.

The previous prime is 4643621149. The next prime is 4643621183. The reversal of 4643621161 is 1611263464.

It is a cyclic number.

It is not a de Polignac number, because 4643621161 - 2⁹ = 4643620649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4643621861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2962600 + ... + 2964166.

It is an arithmetic number, because the mean of its divisors is an integer number (302874880).

Almost surely, 2^4643621161 is an apocalyptic number.

It is an amenable number.

4643621161 is a deficient number, since it is larger than the sum of its proper divisors (202376919).

4643621161 is a wasteful number, since it uses less digits than its factorization.

4643621161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584.

The product of its digits is 20736, while the sum is 34.

The square root of 4643621161 is about 68144.1205167401. The cubic root of 4643621161 is about 1668.3439618733.

The spelling of 4643621161 in words is "four billion, six hundred forty-three million, six hundred twenty-one thousand, one hundred sixty-one".