1668501670200 has 48 divisors (see below), whose sum is σ = 5172355179480. Its totient is φ = 444933778560.

The previous prime is 1668501670181. The next prime is 1668501670211. The reversal of 1668501670200 is 20761058661.

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, 1390417459 + ... + 1390418658.

Almost surely, 2^{1668501670200} is an apocalyptic number.

1668501670200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1668501670200 is an abundant number, since it is smaller than the sum of its proper divisors (3503853509280).

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

1668501670200 is a wasteful number, since it uses less digits than its factorization.

1668501670200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780836136 (or 2780836127 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 1668501670200 in words is "one trillion, six hundred sixty-eight billion, five hundred one million, six hundred seventy thousand, two hundred".