1668341068335 has 12 divisors (see below), whose sum is σ = 2891791185192. Its totient is φ = 889781903088.

The previous prime is 1668341068321. The next prime is 1668341068409. The reversal of 1668341068335 is 5338601438661.

1668341068335 is a `hidden beast` number, since 1 + 66 + 83 + 410 + 68 + 3 + 35 = 666.

It is not a de Polignac number, because 1668341068335 - 2⁶ = 1668341068271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18537122937 + ... + 18537123026.

It is an arithmetic number, because the mean of its divisors is an integer number (240982598766).

Almost surely, 2^{1668341068335} is an apocalyptic number.

1668341068335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1668341068335 is a deficient number, since it is larger than the sum of its proper divisors (1223450116857).

1668341068335 is a wasteful number, since it uses less digits than its factorization.

1668341068335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37074245974 (or 37074245971 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 1668341068335 in words is "one trillion, six hundred sixty-eight billion, three hundred forty-one million, sixty-eight thousand, three hundred thirty-five".