11661768316474 has 8 divisors (see below), whose sum is σ = 17492701056768. Its totient is φ = 5830867964220.

The previous prime is 11661768316421. The next prime is 11661768316543. The reversal of 11661768316474 is 47461386716611.

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

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, 7175892 + ... + 8649679.

It is an arithmetic number, because the mean of its divisors is an integer number (2186587632096).

Almost surely, 2^{11661768316474} is an apocalyptic number.

11661768316474 is a deficient number, since it is larger than the sum of its proper divisors (5830932740294).

11661768316474 is a wasteful number, since it uses less digits than its factorization.

11661768316474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16194020.

The product of its digits is 24385536, while the sum is 61.

The spelling of 11661768316474 in words is "eleven trillion, six hundred sixty-one billion, seven hundred sixty-eight million, three hundred sixteen thousand, four hundred seventy-four".