11640683688674 has 8 divisors (see below), whose sum is σ = 17465658344940. Its totient is φ = 5818797573696.

The previous prime is 11640683688653. The next prime is 11640683688703. The reversal of 11640683688674 is 47688638604611.

11640683688674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11477818979449 + 162864709225 = 3387893^2 + 403565^2 .

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

It is a Curzon number.

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, 772125899 + ... + 772140974.

Almost surely, 2^{11640683688674} is an apocalyptic number.

11640683688674 is a deficient number, since it is larger than the sum of its proper divisors (5824974656266).

11640683688674 is a wasteful number, since it uses less digits than its factorization.

11640683688674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544270644.

The product of its (nonzero) digits is 222953472, while the sum is 68.

The spelling of 11640683688674 in words is "eleven trillion, six hundred forty billion, six hundred eighty-three million, six hundred eighty-eight thousand, six hundred seventy-four".