2666021124 has 48 divisors (see below), whose sum is σ = 7093312128. Its totient is φ = 772059648.

The previous prime is 2666021117. The next prime is 2666021129. The reversal of 2666021124 is 4211206662.

It is a super-2 number, since 2×2666021124² = 14215337267228446752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666021091 and 2666021100.

It is not an unprimeable number, because it can be changed into a prime (2666021129) 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, 499992 + ... + 505295.

It is an arithmetic number, because the mean of its divisors is an integer number (147777336).

Almost surely, 2^2666021124 is an apocalyptic number.

It is an amenable number.

2666021124 is an abundant number, since it is smaller than the sum of its proper divisors (4427291004).

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

2666021124 is a wasteful number, since it uses less digits than its factorization.

2666021124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005324 (or 1005322 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2666021124 is about 51633.5271311190. The cubic root of 2666021124 is about 1386.6106410991.

Adding to 2666021124 its reverse (4211206662), we get a palindrome (6877227786).

The spelling of 2666021124 in words is "two billion, six hundred sixty-six million, twenty-one thousand, one hundred twenty-four".