2663680802103 has 24 divisors (see below), whose sum is σ = 3900499649280. Its totient is φ = 1751346973440.

The previous prime is 2663680802099. The next prime is 2663680802117. The reversal of 2663680802103 is 3012080863662.

It is a happy number.

2663680802103 is a `hidden beast` number, since 2 + 6 + 636 + 8 + 0 + 8 + 0 + 2 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 2663680802103 - 2² = 2663680802099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663680802143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10597363 + ... + 10845803.

It is an arithmetic number, because the mean of its divisors is an integer number (162520818720).

Almost surely, 2^{2663680802103} is an apocalyptic number.

2663680802103 is a deficient number, since it is larger than the sum of its proper divisors (1236818847177).

2663680802103 is a wasteful number, since it uses less digits than its factorization.

2663680802103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264839 (or 264836 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 2663680802103 in words is "two trillion, six hundred sixty-three billion, six hundred eighty million, eight hundred two thousand, one hundred three".