2666955132 has 72 divisors (see below), whose sum is σ = 7069935600. Its totient is φ = 878967936.

The previous prime is 2666955107. The next prime is 2666955191. The reversal of 2666955132 is 2315596662.

It is a super-2 number, since 2×2666955132² = 14225299352202274848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71094 + ... + 101922.

It is an arithmetic number, because the mean of its divisors is an integer number (98193550).

Almost surely, 2^2666955132 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 2666955132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3534967800).

2666955132 is an abundant number, since it is smaller than the sum of its proper divisors (4402980468).

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

2666955132 is a wasteful number, since it uses less digits than its factorization.

2666955132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30937 (or 30923 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 2666955132 is about 51642.5709274819. The cubic root of 2666955132 is about 1386.7725495712.

The spelling of 2666955132 in words is "two billion, six hundred sixty-six million, nine hundred fifty-five thousand, one hundred thirty-two".