4161323616 has 48 divisors (see below), whose sum is σ = 10939457088. Its totient is φ = 1385078400.

The previous prime is 4161323611. The next prime is 4161323641. The reversal of 4161323616 is 6163231614.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×4161323616² = 34633228474158630912, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161323611) 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 7 ways as a sum of consecutive naturals, for example, 34971 + ... + 97701.

It is an arithmetic number, because the mean of its divisors is an integer number (227905356).

Almost surely, 2^4161323616 is an apocalyptic number.

It is an amenable number.

4161323616 is an abundant number, since it is smaller than the sum of its proper divisors (6778133472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4161323616 is a wasteful number, since it uses less digits than its factorization.

4161323616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63435 (or 63427 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 4161323616 is about 64508.3220677767. The cubic root of 4161323616 is about 1608.4608589680.

The spelling of 4161323616 in words is "four billion, one hundred sixty-one million, three hundred twenty-three thousand, six hundred sixteen".