2665516248 has 80 divisors (see below), whose sum is σ = 7560564000. Its totient is φ = 877241664.

The previous prime is 2665516247. The next prime is 2665516267. The reversal of 2665516248 is 8426155662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665516247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25158 + ... + 77226.

It is an arithmetic number, because the mean of its divisors is an integer number (94507050).

Almost surely, 2^2665516248 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 2665516248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3780282000).

2665516248 is an abundant number, since it is smaller than the sum of its proper divisors (4895047752).

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

2665516248 is a wasteful number, since it uses less digits than its factorization.

2665516248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52166 (or 52153 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 2665516248 is about 51628.6378669823. The cubic root of 2665516248 is about 1386.5231060800.

The spelling of 2665516248 in words is "two billion, six hundred sixty-five million, five hundred sixteen thousand, two hundred forty-eight".