16666602669343 has 8 divisors (see below), whose sum is σ = 18181800153216. Its totient is φ = 15151413816600.

The previous prime is 16666602669337. The next prime is 16666602669347. The reversal of 16666602669343 is 34396620666661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16666602669343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16666602669347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2275830 + ... + 6205852.

It is an arithmetic number, because the mean of its divisors is an integer number (2272725019152).

Almost surely, 2^{16666602669343} is an apocalyptic number.

16666602669343 is a deficient number, since it is larger than the sum of its proper divisors (1515197483873).

16666602669343 is a wasteful number, since it uses less digits than its factorization.

16666602669343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315565.

The product of its (nonzero) digits is 181398528, while the sum is 64.

The spelling of 16666602669343 in words is "sixteen trillion, six hundred sixty-six billion, six hundred two million, six hundred sixty-nine thousand, three hundred forty-three".