2666946752 has 56 divisors (see below), whose sum is σ = 5372282880. Its totient is φ = 1313450240.

The previous prime is 2666946719. The next prime is 2666946811. The reversal of 2666946752 is 2576496662.

It is a super-2 number, since 2×2666946752² = 14225209956006699008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666946694 and 2666946703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306949 + ... + 1308987.

Almost surely, 2^2666946752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2666946752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2686141440).

2666946752 is an abundant number, since it is smaller than the sum of its proper divisors (2705336128).

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

2666946752 is a wasteful number, since it uses less digits than its factorization.

2666946752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2339 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 53.

The square root of 2666946752 is about 51642.4897928053. The cubic root of 2666946752 is about 1386.7710970825.

The spelling of 2666946752 in words is "two billion, six hundred sixty-six million, nine hundred forty-six thousand, seven hundred fifty-two".