2665612741 has 16 divisors (see below), whose sum is σ = 2926261440. Its totient is φ = 2408071680.

The previous prime is 2665612727. The next prime is 2665612753. The reversal of 2665612741 is 1472165662.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2665612741 - 2²³ = 2657224133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2665612694 and 2665612703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665610741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1320565 + ... + 1322581.

It is an arithmetic number, because the mean of its divisors is an integer number (182891340).

Almost surely, 2^2665612741 is an apocalyptic number.

It is an amenable number.

2665612741 is a deficient number, since it is larger than the sum of its proper divisors (260648699).

2665612741 is a wasteful number, since it uses less digits than its factorization.

2665612741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724.

The product of its digits is 120960, while the sum is 40.

The square root of 2665612741 is about 51629.5723495750. The cubic root of 2665612741 is about 1386.5398368177.

The spelling of 2665612741 in words is "two billion, six hundred sixty-five million, six hundred twelve thousand, seven hundred forty-one".