16668503703358 has 32 divisors (see below), whose sum is σ = 27030803466240. Its totient is φ = 7663234279680.

The previous prime is 16668503703317. The next prime is 16668503703361. The reversal of 16668503703358 is 85330730586661.

It is a junction number, because it is equal to n+sod(n) for n = 16668503703296 and 16668503703305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40929091 + ... + 41334337.

It is an arithmetic number, because the mean of its divisors is an integer number (844712608320).

Almost surely, 2^{16668503703358} is an apocalyptic number.

16668503703358 is a deficient number, since it is larger than the sum of its proper divisors (10362299762882).

16668503703358 is a wasteful number, since it uses less digits than its factorization.

16668503703358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411412.

The product of its (nonzero) digits is 65318400, while the sum is 61.

The spelling of 16668503703358 in words is "sixteen trillion, six hundred sixty-eight billion, five hundred three million, seven hundred three thousand, three hundred fifty-eight".