16660032555346 has 8 divisors (see below), whose sum is σ = 25000871728140. Its totient is φ = 8326408645968.

The previous prime is 16660032555263. The next prime is 16660032555401. The reversal of 16660032555346 is 64355523006661.

It can be written as a sum of positive squares in 2 ways, for example, as 13758498470025 + 2901534085321 = 3709245^2 + 1703389^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16660032555293 and 16660032555302.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1803810081 + ... + 1803819316.

Almost surely, 2^{16660032555346} is an apocalyptic number.

16660032555346 is a deficient number, since it is larger than the sum of its proper divisors (8340839172794).

16660032555346 is a wasteful number, since it uses less digits than its factorization.

16660032555346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607631708.

The product of its (nonzero) digits is 11664000, while the sum is 52.

The spelling of 16660032555346 in words is "sixteen trillion, six hundred sixty billion, thirty-two million, five hundred fifty-five thousand, three hundred forty-six".