2660566411 has 8 divisors (see below), whose sum is σ = 2694096720. Its totient is φ = 2627071392.

The previous prime is 2660566399. The next prime is 2660566427. The reversal of 2660566411 is 1146650662.

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 2660566411 - 2⁵ = 2660566379 is a prime.

It is a super-2 number, since 2×2660566411² = 14157227254682841842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660561411) 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, 163981 + ... + 179473.

It is an arithmetic number, because the mean of its divisors is an integer number (336762090).

Almost surely, 2^2660566411 is an apocalyptic number.

2660566411 is a deficient number, since it is larger than the sum of its proper divisors (33530309).

2660566411 is a wasteful number, since it uses less digits than its factorization.

2660566411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17645.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2660566411 is about 51580.6786597462. The cubic root of 2660566411 is about 1385.6643210975.

The spelling of 2660566411 in words is "two billion, six hundred sixty million, five hundred sixty-six thousand, four hundred eleven".