16018464346666 has 8 divisors (see below), whose sum is σ = 24027783349284. Its totient is φ = 8009203230240.

The previous prime is 16018464346627. The next prime is 16018464346679. The reversal of 16018464346666 is 66664346481061.

It can be written as a sum of positive squares in 2 ways, for example, as 13222161340441 + 2796303006225 = 3636229^2 + 1672215^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13772995 + ... + 14890678.

Almost surely, 2^{16018464346666} is an apocalyptic number.

16018464346666 is a deficient number, since it is larger than the sum of its proper divisors (8009319002618).

16018464346666 is a wasteful number, since it uses less digits than its factorization.

16018464346666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28943096.

The product of its (nonzero) digits is 71663616, while the sum is 61.

The spelling of 16018464346666 in words is "sixteen trillion, eighteen billion, four hundred sixty-four million, three hundred forty-six thousand, six hundred sixty-six".