2680848202666 has 8 divisors (see below), whose sum is σ = 4257817733700. Its totient is φ = 1261575624768.

The previous prime is 2680848202639. The next prime is 2680848202687. The reversal of 2680848202666 is 6662028480862.

It can be written as a sum of positive squares in 2 ways, for example, as 2254889653641 + 425958549025 = 1501629^2 + 652655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2680848202666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39424238241 + ... + 39424238308.

Almost surely, 2^{2680848202666} is an apocalyptic number.

2680848202666 is a deficient number, since it is larger than the sum of its proper divisors (1576969531034).

2680848202666 is a wasteful number, since it uses less digits than its factorization.

2680848202666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78848476568.

The product of its (nonzero) digits is 21233664, while the sum is 58.

The spelling of 2680848202666 in words is "two trillion, six hundred eighty billion, eight hundred forty-eight million, two hundred two thousand, six hundred sixty-six".