16668416122347 has 16 divisors (see below), whose sum is σ = 24247162161792. Its totient is φ = 10101156520320.

The previous prime is 16668416122343. The next prime is 16668416122381. The reversal of 16668416122347 is 74322161486661.

It is not a de Polignac number, because 16668416122347 - 2² = 16668416122343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16668416122343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22476013 + ... + 23205774.

It is an arithmetic number, because the mean of its divisors is an integer number (1515447635112).

Almost surely, 2^{16668416122347} is an apocalyptic number.

16668416122347 is a deficient number, since it is larger than the sum of its proper divisors (7578746039445).

16668416122347 is a wasteful number, since it uses less digits than its factorization.

16668416122347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45692858.

The product of its digits is 13934592, while the sum is 57.

The spelling of 16668416122347 in words is "sixteen trillion, six hundred sixty-eight billion, four hundred sixteen million, one hundred twenty-two thousand, three hundred forty-seven".