2661412841 has 8 divisors (see below), whose sum is σ = 2678491104. Its totient is φ = 2644377120.

The previous prime is 2661412813. The next prime is 2661412843. The reversal of 2661412841 is 1482141662.

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

It is a cyclic number.

It is not a de Polignac number, because 2661412841 - 2¹⁰ = 2661411817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2661412843) 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, 119966 + ... + 140408.

It is an arithmetic number, because the mean of its divisors is an integer number (334811388).

Almost surely, 2^2661412841 is an apocalyptic number.

It is an amenable number.

2661412841 is a deficient number, since it is larger than the sum of its proper divisors (17078263).

2661412841 is a wasteful number, since it uses less digits than its factorization.

2661412841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21271.

The product of its digits is 18432, while the sum is 35.

The square root of 2661412841 is about 51588.8829206448. The cubic root of 2661412841 is about 1385.8112501487.

The spelling of 2661412841 in words is "two billion, six hundred sixty-one million, four hundred twelve thousand, eight hundred forty-one".