16668351668350 has 24 divisors (see below), whose sum is σ = 31003258050648. Its totient is φ = 6667314012000.

The previous prime is 16668351668347. The next prime is 16668351668357. The reversal of 16668351668350 is 5386615386661.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16668351668357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16183800 + ... + 17182900.

It is an arithmetic number, because the mean of its divisors is an integer number (1291802418777).

Almost surely, 2^{16668351668350} is an apocalyptic number.

16668351668350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16668351668350 is a deficient number, since it is larger than the sum of its proper divisors (14334906382298).

16668351668350 is a wasteful number, since it uses less digits than its factorization.

16668351668350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332780 (or 1332775 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 64.

The spelling of 16668351668350 in words is "sixteen trillion, six hundred sixty-eight billion, three hundred fifty-one million, six hundred sixty-eight thousand, three hundred fifty".