1668114033516 has 72 divisors (see below), whose sum is σ = 4949239262240. Its totient is φ = 463722817536.

The previous prime is 1668114033511. The next prime is 1668114033529. The reversal of 1668114033516 is 6153304118661.

1668114033516 is a `hidden beast` number, since 1 + 6 + 68 + 1 + 1 + 40 + 33 + 516 = 666.

It is not an unprimeable number, because it can be changed into a prime (1668114033511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89443381 + ... + 89462028.

Almost surely, 2^{1668114033516} is an apocalyptic number.

It is an amenable number.

1668114033516 is an abundant number, since it is smaller than the sum of its proper divisors (3281125228724).

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

1668114033516 is a wasteful number, since it uses less digits than its factorization.

1668114033516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178905463 (or 178905458 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 1668114033516 in words is "one trillion, six hundred sixty-eight billion, one hundred fourteen million, thirty-three thousand, five hundred sixteen".