3001161561 has 8 divisors (see below), whose sum is σ = 4019023680. Its totient is φ = 1992036912.

The previous prime is 3001161557. The next prime is 3001161563. The reversal of 3001161561 is 1651611003.

3001161561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3001161561 - 2² = 3001161557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3001161563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2183565 + ... + 2184938.

It is an arithmetic number, because the mean of its divisors is an integer number (502377960).

Almost surely, 2^3001161561 is an apocalyptic number.

It is an amenable number.

3001161561 is a deficient number, since it is larger than the sum of its proper divisors (1017862119).

3001161561 is a wasteful number, since it uses less digits than its factorization.

3001161561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368735.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 3001161561 is about 54782.8582770195. The cubic root of 3001161561 is about 1442.4356863837.

Adding to 3001161561 its reverse (1651611003), we get a palindrome (4652772564).

The spelling of 3001161561 in words is "three billion, one million, one hundred sixty-one thousand, five hundred sixty-one".