16657613542168 has 16 divisors (see below), whose sum is σ = 32240542340160. Its totient is φ = 8060135584800.

The previous prime is 16657613541977. The next prime is 16657613542169. The reversal of 16657613542168 is 86124531675661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16657613542169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33583898023 + ... + 33583898518.

It is an arithmetic number, because the mean of its divisors is an integer number (2015033896260).

Almost surely, 2^{16657613542168} is an apocalyptic number.

It is an amenable number.

16657613542168 is a deficient number, since it is larger than the sum of its proper divisors (15582928797992).

16657613542168 is a wasteful number, since it uses less digits than its factorization.

16657613542168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67167796578 (or 67167796574 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 61.

The spelling of 16657613542168 in words is "sixteen trillion, six hundred fifty-seven billion, six hundred thirteen million, five hundred forty-two thousand, one hundred sixty-eight".