1186656260349 has 16 divisors (see below), whose sum is σ = 1845140931200. Its totient is φ = 678089291040.

The previous prime is 1186656260329. The next prime is 1186656260351. The reversal of 1186656260349 is 9430626566811.

It is not a de Polignac number, because 1186656260349 - 2²¹ = 1186654163197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1186656260329) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 576605512 + ... + 576607569.

It is an arithmetic number, because the mean of its divisors is an integer number (115321308200).

Almost surely, 2^{1186656260349} is an apocalyptic number.

It is an amenable number.

1186656260349 is a deficient number, since it is larger than the sum of its proper divisors (658484670851).

1186656260349 is an equidigital number, since it uses as much as digits as its factorization.

1186656260349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153213105 (or 1153213091 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 1186656260349 in words is "one trillion, one hundred eighty-six billion, six hundred fifty-six million, two hundred sixty thousand, three hundred forty-nine".