2641161407 has 4 divisors (see below), whose sum is σ = 2647178160. Its totient is φ = 2635144656.

The previous prime is 2641161403. The next prime is 2641161449. The reversal of 2641161407 is 7041611462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7041611462 = 2 ⋅3520805731.

It is a cyclic number.

It is not a de Polignac number, because 2641161407 - 2² = 2641161403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641161403) 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, 3007718 + ... + 3008595.

It is an arithmetic number, because the mean of its divisors is an integer number (661794540).

Almost surely, 2^2641161407 is an apocalyptic number.

2641161407 is a deficient number, since it is larger than the sum of its proper divisors (6016753).

2641161407 is an equidigital number, since it uses as much as digits as its factorization.

2641161407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016752.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2641161407 is about 51392.2309984690. The cubic root of 2641161407 is about 1382.2872883577.

Adding to 2641161407 its reverse (7041611462), we get a palindrome (9682772869).

The spelling of 2641161407 in words is "two billion, six hundred forty-one million, one hundred sixty-one thousand, four hundred seven".