2666079563 has 24 divisors (see below), whose sum is σ = 3268480320. Its totient is φ = 2162356560.

The previous prime is 2666079547. The next prime is 2666079583. The reversal of 2666079563 is 3659706662.

It is not a de Polignac number, because 2666079563 - 2⁴ = 2666079547 is a prime.

It is a super-3 number, since 3×2666079563³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666079503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1379708 + ... + 1381638.

It is an arithmetic number, because the mean of its divisors is an integer number (136186680).

Almost surely, 2^2666079563 is an apocalyptic number.

2666079563 is a deficient number, since it is larger than the sum of its proper divisors (602400757).

2666079563 is a wasteful number, since it uses less digits than its factorization.

2666079563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447 (or 3440 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 50.

The square root of 2666079563 is about 51634.0930297028. The cubic root of 2666079563 is about 1386.6207724951.

The spelling of 2666079563 in words is "two billion, six hundred sixty-six million, seventy-nine thousand, five hundred sixty-three".