1668168484507 has 32 divisors (see below), whose sum is σ = 1987082240000. Its totient is φ = 1370314713600.

The previous prime is 1668168484421. The next prime is 1668168484519. The reversal of 1668168484507 is 7054848618661.

It is not a de Polignac number, because 1668168484507 - 2⁷ = 1668168484379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1668168484537) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 47264707 + ... + 47299987.

It is an arithmetic number, because the mean of its divisors is an integer number (62096320000).

Almost surely, 2^{1668168484507} is an apocalyptic number.

1668168484507 is a deficient number, since it is larger than the sum of its proper divisors (318913755493).

1668168484507 is a wasteful number, since it uses less digits than its factorization.

1668168484507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37427.

The product of its (nonzero) digits is 61931520, while the sum is 64.

The spelling of 1668168484507 in words is "one trillion, six hundred sixty-eight billion, one hundred sixty-eight million, four hundred eighty-four thousand, five hundred seven".