1608332660668 has 12 divisors (see below), whose sum is σ = 2874466883232. Its totient is φ = 787056408320.

The previous prime is 1608332660603. The next prime is 1608332660819. The reversal of 1608332660668 is 8660662338061.

It is a happy number.

It is a super-3 number, since 3×1608332660668³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4277480293 + ... + 4277480668.

It is an arithmetic number, because the mean of its divisors is an integer number (239538906936).

Almost surely, 2^{1608332660668} is an apocalyptic number.

It is an amenable number.

1608332660668 is a deficient number, since it is larger than the sum of its proper divisors (1266134222564).

1608332660668 is a wasteful number, since it uses less digits than its factorization.

1608332660668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8554961012 (or 8554961010 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 1608332660668 in words is "one trillion, six hundred eight billion, three hundred thirty-two million, six hundred sixty thousand, six hundred sixty-eight".