12680808661366 has 8 divisors (see below), whose sum is σ = 19026227823624. Its totient is φ = 6338732720160.

The previous prime is 12680808661277. The next prime is 12680808661373. The reversal of 12680808661366 is 66316680808621.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835795780 + ... + 835810951.

It is an arithmetic number, because the mean of its divisors is an integer number (2378278477953).

Almost surely, 2^{12680808661366} is an apocalyptic number.

12680808661366 is a deficient number, since it is larger than the sum of its proper divisors (6345419162258).

12680808661366 is a wasteful number, since it uses less digits than its factorization.

12680808661366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671610526.

The product of its (nonzero) digits is 23887872, while the sum is 61.

The spelling of 12680808661366 in words is "twelve trillion, six hundred eighty billion, eight hundred eight million, six hundred sixty-one thousand, three hundred sixty-six".