11668340677 has 16 divisors (see below), whose sum is σ = 14152344192. Its totient is φ = 9391334400.

The previous prime is 11668340641. The next prime is 11668340681. The reversal of 11668340677 is 77604386611.

It is not a de Polignac number, because 11668340677 - 2¹⁹ = 11667816389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11668340677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11668340627) 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 15 ways as a sum of consecutive naturals, for example, 61699 + ... + 164752.

It is an arithmetic number, because the mean of its divisors is an integer number (884521512).

Almost surely, 2^11668340677 is an apocalyptic number.

11668340677 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11668340677 is a deficient number, since it is larger than the sum of its proper divisors (2484003515).

11668340677 is a wasteful number, since it uses less digits than its factorization.

11668340677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226908.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 11668340677 in words is "eleven billion, six hundred sixty-eight million, three hundred forty thousand, six hundred seventy-seven".