2668776037776 has 60 divisors (see below), whose sum is σ = 7468986909228. Its totient is φ = 889577644032.

The previous prime is 2668776037747. The next prime is 2668776037777. The reversal of 2668776037776 is 6777306778662.

2668776037776 is a `hidden beast` number, since 2 + 6 + 6 + 8 + 7 + 7 + 603 + 7 + 7 + 7 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2355426867600 + 313349170176 = 1534740^2 + 559776^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (2668776037777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12490176 + ... + 12702048.

Almost surely, 2^{2668776037776} is an apocalyptic number.

It is an amenable number.

2668776037776 is an abundant number, since it is smaller than the sum of its proper divisors (4800210871452).

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

2668776037776 is a wasteful number, since it uses less digits than its factorization.

2668776037776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299360 (or 299351 counting only the distinct ones).

The product of its (nonzero) digits is 1045529856, while the sum is 72.

The spelling of 2668776037776 in words is "two trillion, six hundred sixty-eight billion, seven hundred seventy-six million, thirty-seven thousand, seven hundred seventy-six".