2665104768 has 320 divisors, whose sum is σ = 8501169600. Its totient is φ = 826371072.

The previous prime is 2665104731. The next prime is 2665104797. The reversal of 2665104768 is 8674015662.

2665104768 is a `hidden beast` number, since 2 + 66 + 510 + 4 + 76 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16350255 + ... + 16350417.

It is an arithmetic number, because the mean of its divisors is an integer number (26566155).

Almost surely, 2^2665104768 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 2665104768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4250584800).

2665104768 is an abundant number, since it is smaller than the sum of its proper divisors (5836064832).

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

2665104768 is a wasteful number, since it uses less digits than its factorization.

2665104768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 2665104768 is about 51624.6527155389. The cubic root of 2665104768 is about 1386.4517558130.

The spelling of 2665104768 in words is "two billion, six hundred sixty-five million, one hundred four thousand, seven hundred sixty-eight".