1668500168350 has 24 divisors (see below), whose sum is σ = 3103569182520. Its totient is φ = 667365901920.

The previous prime is 1668500168323. The next prime is 1668500168381. The reversal of 1668500168350 is 538610058661.

It is a junction number, because it is equal to n+sod(n) for n = 1668500168294 and 1668500168303.

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, 143896 + ... + 1832404.

It is an arithmetic number, because the mean of its divisors is an integer number (129315382605).

Almost surely, 2^{1668500168350} is an apocalyptic number.

1668500168350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1668500168350 is a deficient number, since it is larger than the sum of its proper divisors (1435069014170).

1668500168350 is a wasteful number, since it uses less digits than its factorization.

1668500168350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708284 (or 1708279 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 1668500168350 in words is "one trillion, six hundred sixty-eight billion, five hundred million, one hundred sixty-eight thousand, three hundred fifty".