2665349120 has 216 divisors, whose sum is σ = 7530844104. Its totient is φ = 902823936.

The previous prime is 2665349077. The next prime is 2665349129. The reversal of 2665349120 is 219435662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665349129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32112599 + ... + 32112681.

It is an arithmetic number, because the mean of its divisors is an integer number (34865019).

Almost surely, 2^2665349120 is an apocalyptic number.

2665349120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2665349120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3765422052).

2665349120 is an abundant number, since it is smaller than the sum of its proper divisors (4865494984).

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

2665349120 is an frugal number, since it uses more digits than its factorization.

2665349120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 2665349120 is about 51627.0192825424. The cubic root of 2665349120 is about 1386.4941271187.

The spelling of 2665349120 in words is "two billion, six hundred sixty-five million, three hundred forty-nine thousand, one hundred twenty".