13378808257606 has 24 divisors (see below), whose sum is σ = 22059195842880. Its totient is φ = 6081070398480.

The previous prime is 13378808257523. The next prime is 13378808257609. The reversal of 13378808257606 is 60675280887331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13378808257609) 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, 6335595 + ... + 8179081.

It is an arithmetic number, because the mean of its divisors is an integer number (919133160120).

Almost surely, 2^{13378808257606} is an apocalyptic number.

13378808257606 is a deficient number, since it is larger than the sum of its proper divisors (8680387585274).

13378808257606 is a wasteful number, since it uses less digits than its factorization.

13378808257606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873500 (or 1873489 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 13378808257606 in words is "thirteen trillion, three hundred seventy-eight billion, eight hundred eight million, two hundred fifty-seven thousand, six hundred six".