16657573710145 has 16 divisors (see below), whose sum is σ = 20033949237120. Its totient is φ = 13296183588864.

The previous prime is 16657573710121. The next prime is 16657573710149. The reversal of 16657573710145 is 54101737575661.

It is a cyclic number.

It is not a de Polignac number, because 16657573710145 - 2³³ = 16648983775553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16657573710145.

It is not an unprimeable number, because it can be changed into a prime (16657573710149) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2203926 + ... + 6178384.

It is an arithmetic number, because the mean of its divisors is an integer number (1252121827320).

Almost surely, 2^{16657573710145} is an apocalyptic number.

It is an amenable number.

16657573710145 is a deficient number, since it is larger than the sum of its proper divisors (3376375526975).

16657573710145 is a wasteful number, since it uses less digits than its factorization.

16657573710145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3976344.

The product of its (nonzero) digits is 18522000, while the sum is 58.

The spelling of 16657573710145 in words is "sixteen trillion, six hundred fifty-seven billion, five hundred seventy-three million, seven hundred ten thousand, one hundred forty-five".