2660433611 has 16 divisors (see below), whose sum is σ = 2942206848. Its totient is φ = 2385412800.

The previous prime is 2660433593. The next prime is 2660433641. The reversal of 2660433611 is 1163340662.

It is a cyclic number.

It is not a de Polignac number, because 2660433611 - 2¹⁰ = 2660432587 is a prime.

It is a super-3 number, since 3×2660433611³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660433641) 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, 628775 + ... + 632991.

It is an arithmetic number, because the mean of its divisors is an integer number (183887928).

Almost surely, 2^2660433611 is an apocalyptic number.

2660433611 is a deficient number, since it is larger than the sum of its proper divisors (281773237).

2660433611 is a wasteful number, since it uses less digits than its factorization.

2660433611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 2660433611 is about 51579.3913399528. The cubic root of 2660433611 is about 1385.6412659462.

The spelling of 2660433611 in words is "two billion, six hundred sixty million, four hundred thirty-three thousand, six hundred eleven".