1668168484500 has 96 divisors (see below), whose sum is σ = 5551664751360. Its totient is φ = 381295651200.

The previous prime is 1668168484421. The next prime is 1668168484519. The reversal of 1668168484500 is 54848618661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79426095 + ... + 79447094.

It is an arithmetic number, because the mean of its divisors is an integer number (57829841160).

Almost surely, 2^{1668168484500} is an apocalyptic number.

1668168484500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1668168484500 is an abundant number, since it is smaller than the sum of its proper divisors (3883496266860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1668168484500 is a wasteful number, since it uses less digits than its factorization.

1668168484500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158873218 (or 158873206 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 1668168484500 in words is "one trillion, six hundred sixty-eight billion, one hundred sixty-eight million, four hundred eighty-four thousand, five hundred".