2641161405 has 32 divisors (see below), whose sum is σ = 4591779840. Its totient is φ = 1291429440.

The previous prime is 2641161403. The next prime is 2641161449. The reversal of 2641161405 is 5041611462.

It is not a de Polignac number, because 2641161405 - 2¹ = 2641161403 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 140637 + ... + 158306.

It is an arithmetic number, because the mean of its divisors is an integer number (143493120).

Almost surely, 2^2641161405 is an apocalyptic number.

It is an amenable number.

2641161405 is a deficient number, since it is larger than the sum of its proper divisors (1950618435).

2641161405 is a wasteful number, since it uses less digits than its factorization.

2641161405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299001.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2641161405 is about 51392.2309790108. The cubic root of 2641161405 is about 1382.2872880088.

Adding to 2641161405 its reverse (5041611462), we get a palindrome (7682772867).

The spelling of 2641161405 in words is "two billion, six hundred forty-one million, one hundred sixty-one thousand, four hundred five".