11668081516834 has 8 divisors (see below), whose sum is σ = 17509835866140. Its totient is φ = 5831469561456.

The previous prime is 11668081516831. The next prime is 11668081516843. The reversal of 11668081516834 is 43861518086611.

11668081516834 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 11265776741209 + 402304775625 = 3356453^2 + 634275^2 .

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

It is a super-2 number, since 2×11668081516834² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11668081516831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285592809 + ... + 1285601884.

Almost surely, 2^{11668081516834} is an apocalyptic number.

11668081516834 is a deficient number, since it is larger than the sum of its proper divisors (5841754349306).

11668081516834 is a wasteful number, since it uses less digits than its factorization.

11668081516834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571196964.

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 11668081516834 in words is "eleven trillion, six hundred sixty-eight billion, eighty-one million, five hundred sixteen thousand, eight hundred thirty-four".