2616864405 has 32 divisors (see below), whose sum is σ = 4314256128. Its totient is φ = 1353484800.

The previous prime is 2616864403. The next prime is 2616864469. The reversal of 2616864405 is 5044686162.

It is not a de Polignac number, because 2616864405 - 2¹ = 2616864403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2616864403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165025 + ... + 180185.

It is an arithmetic number, because the mean of its divisors is an integer number (134820504).

Almost surely, 2^2616864405 is an apocalyptic number.

It is an amenable number.

2616864405 is a deficient number, since it is larger than the sum of its proper divisors (1697391723).

2616864405 is a wasteful number, since it uses less digits than its factorization.

2616864405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15517.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 2616864405 is about 51155.2969398087. The cubic root of 2616864405 is about 1378.0355029216.

The spelling of 2616864405 in words is "two billion, six hundred sixteen million, eight hundred sixty-four thousand, four hundred five".