2666037768 has 16 divisors (see below), whose sum is σ = 6665094480. Its totient is φ = 888679248.

The previous prime is 2666037761. The next prime is 2666037769. The reversal of 2666037768 is 8677306662.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2666037768.

It is not an unprimeable number, because it can be changed into a prime (2666037761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55542430 + ... + 55542477.

It is an arithmetic number, because the mean of its divisors is an integer number (416568405).

Almost surely, 2^2666037768 is an apocalyptic number.

It is an amenable number.

2666037768 is an abundant number, since it is smaller than the sum of its proper divisors (3999056712).

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

2666037768 is a wasteful number, since it uses less digits than its factorization.

2666037768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111084916 (or 111084912 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 51.

The square root of 2666037768 is about 51633.6883052141. The cubic root of 2666037768 is about 1386.6135266351.

The spelling of 2666037768 in words is "two billion, six hundred sixty-six million, thirty-seven thousand, seven hundred sixty-eight".