16660375502017 has 32 divisors (see below), whose sum is σ = 19063710941184. Its totient is φ = 14451368500800.

The previous prime is 16660375502011. The next prime is 16660375502039. The reversal of 16660375502017 is 71020557306661.

It is a cyclic number.

It is not a de Polignac number, because 16660375502017 - 2¹⁵ = 16660375469249 is a prime.

It is a super-3 number, since 3×16660375502017³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (16660375502011) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1057459 + ... + 5868472.

It is an arithmetic number, because the mean of its divisors is an integer number (595740966912).

Almost surely, 2^{16660375502017} is an apocalyptic number.

It is an amenable number.

16660375502017 is a deficient number, since it is larger than the sum of its proper divisors (2403335439167).

16660375502017 is a wasteful number, since it uses less digits than its factorization.

16660375502017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926149.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 16660375502017 in words is "sixteen trillion, six hundred sixty billion, three hundred seventy-five million, five hundred two thousand, seventeen".