1668755711700 has 288 divisors, whose sum is σ = 6688508574720. Its totient is φ = 346754390400.

The previous prime is 1668755711699. The next prime is 1668755711783. The reversal of 1668755711700 is 71175578661.

1668755711700 is a `hidden beast` number, since 1 + 6 + 6 + 8 + 7 + 557 + 11 + 70 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3805462 + ... + 4221261.

Almost surely, 2^{1668755711700} is an apocalyptic number.

1668755711700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1668755711700 is an abundant number, since it is smaller than the sum of its proper divisors (5019752863020).

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

1668755711700 is a wasteful number, since it uses less digits than its factorization.

1668755711700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026764 (or 8026751 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 54.

The spelling of 1668755711700 in words is "one trillion, six hundred sixty-eight billion, seven hundred fifty-five million, seven hundred eleven thousand, seven hundred".