2660736761 has 8 divisors (see below), whose sum is σ = 2801895360. Its totient is φ = 2521701072.

The previous prime is 2660736751. The next prime is 2660736773. The reversal of 2660736761 is 1676370662.

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 2660736761 - 2¹⁸ = 2660474617 is a prime.

It is a super-2 number, since 2×2660736761² = 14159040222673542242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660736751) 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, 528155 + ... + 533168.

It is an arithmetic number, because the mean of its divisors is an integer number (350236920).

Almost surely, 2^2660736761 is an apocalyptic number.

It is an amenable number.

2660736761 is a deficient number, since it is larger than the sum of its proper divisors (141158599).

2660736761 is a wasteful number, since it uses less digits than its factorization.

2660736761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061455.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 2660736761 is about 51582.3299299285. The cubic root of 2660736761 is about 1385.6938941085.

The spelling of 2660736761 in words is "two billion, six hundred sixty million, seven hundred thirty-six thousand, seven hundred sixty-one".