1668518350024 has 32 divisors (see below), whose sum is σ = 3265417696320. Its totient is φ = 797760859456.

The previous prime is 1668518349983. The next prime is 1668518350027. The reversal of 1668518350024 is 4200538158661.

It is a super-2 number, since 2×1668518350024² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1668518350024.

It is not an unprimeable number, because it can be changed into a prime (1668518350027) 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 7 ways as a sum of consecutive naturals, for example, 633262 + ... + 1933405.

It is an arithmetic number, because the mean of its divisors is an integer number (102044303010).

Almost surely, 2^{1668518350024} is an apocalyptic number.

It is an amenable number.

1668518350024 is a deficient number, since it is larger than the sum of its proper divisors (1596899346296).

1668518350024 is a wasteful number, since it uses less digits than its factorization.

1668518350024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570229 (or 2570225 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 1668518350024 in words is "one trillion, six hundred sixty-eight billion, five hundred eighteen million, three hundred fifty thousand, twenty-four".