2666145376 has 48 divisors (see below), whose sum is σ = 5384610000. Its totient is φ = 1298718720.

The previous prime is 2666145373. The next prime is 2666145389. The reversal of 2666145376 is 6735416662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666145373) 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, 1637875 + ... + 1639501.

It is an arithmetic number, because the mean of its divisors is an integer number (112179375).

Almost surely, 2^2666145376 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 2666145376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2692305000).

2666145376 is an abundant number, since it is smaller than the sum of its proper divisors (2718464624).

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

2666145376 is a wasteful number, since it uses less digits than its factorization.

2666145376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927 (or 2919 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 46.

The square root of 2666145376 is about 51634.7303275615. The cubic root of 2666145376 is about 1386.6321821224.

The spelling of 2666145376 in words is "two billion, six hundred sixty-six million, one hundred forty-five thousand, three hundred seventy-six".