4664161444 has 12 divisors (see below), whose sum is σ = 8517164544. Its totient is φ = 2230685864.

The previous prime is 4664161441. The next prime is 4664161499. The reversal of 4664161444 is 4441614664.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4664161397 and 4664161406.

It is not an unprimeable number, because it can be changed into a prime (4664161441) 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, 25348612 + ... + 25348795.

It is an arithmetic number, because the mean of its divisors is an integer number (709763712).

Almost surely, 2^4664161444 is an apocalyptic number.

It is an amenable number.

4664161444 is a deficient number, since it is larger than the sum of its proper divisors (3853003100).

4664161444 is a wasteful number, since it uses less digits than its factorization.

4664161444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50697434 (or 50697432 counting only the distinct ones).

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

The square root of 4664161444 is about 68294.6662924712. Note that the first 3 decimals coincide. The cubic root of 4664161444 is about 1670.8002241374.

The spelling of 4664161444 in words is "four billion, six hundred sixty-four million, one hundred sixty-one thousand, four hundred forty-four".