2666520132 has 24 divisors (see below), whose sum is σ = 6247920000. Its totient is φ = 885120096.

The previous prime is 2666520119. The next prime is 2666520133. The reversal of 2666520132 is 2310256662.

It is a super-2 number, since 2×2666520132² = 14220659228722594848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666520093 and 2666520102.

It is not an unprimeable number, because it can be changed into a prime (2666520133) 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, 462007 + ... + 467742.

It is an arithmetic number, because the mean of its divisors is an integer number (260330000).

Almost surely, 2^2666520132 is an apocalyptic number.

It is an amenable number.

2666520132 is an abundant number, since it is smaller than the sum of its proper divisors (3581399868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2666520132 is a wasteful number, since it uses less digits than its factorization.

2666520132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929995 (or 929993 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2666520132 is about 51638.3591141314. The cubic root of 2666520132 is about 1386.6971478702.

Adding to 2666520132 its reverse (2310256662), we get a palindrome (4976776794).

The spelling of 2666520132 in words is "two billion, six hundred sixty-six million, five hundred twenty thousand, one hundred thirty-two".