2665020512 has 48 divisors (see below), whose sum is σ = 6541420032. Its totient is φ = 1038318720.

The previous prime is 2665020499. The next prime is 2665020581. The reversal of 2665020512 is 2150205662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538328 + ... + 543255.

It is an arithmetic number, because the mean of its divisors is an integer number (136279584).

Almost surely, 2^2665020512 is an apocalyptic number.

2665020512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2665020512 is an abundant number, since it is smaller than the sum of its proper divisors (3876399520).

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

2665020512 is a wasteful number, since it uses less digits than its factorization.

2665020512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081611 (or 1081603 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2665020512 is about 51623.8366648586. The cubic root of 2665020512 is about 1386.4371449915.

The spelling of 2665020512 in words is "two billion, six hundred sixty-five million, twenty thousand, five hundred twelve".