4161161326 has 32 divisors (see below), whose sum is σ = 7244121600. Its totient is φ = 1755751200.

The previous prime is 4161161321. The next prime is 4161161327. The reversal of 4161161326 is 6231611614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161161321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813525 + ... + 818623.

It is an arithmetic number, because the mean of its divisors is an integer number (226378800).

Almost surely, 2^4161161326 is an apocalyptic number.

4161161326 is a deficient number, since it is larger than the sum of its proper divisors (3082960274).

4161161326 is a wasteful number, since it uses less digits than its factorization.

4161161326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000.

The product of its digits is 5184, while the sum is 31.

The square root of 4161161326 is about 64507.0641557961. The cubic root of 4161161326 is about 1608.4399489139.

The spelling of 4161161326 in words is "four billion, one hundred sixty-one million, one hundred sixty-one thousand, three hundred twenty-six".