16520142202145 has 16 divisors (see below), whose sum is σ = 20050557367680. Its totient is φ = 13065243252864.

The previous prime is 16520142202097. The next prime is 16520142202159. The reversal of 16520142202145 is 54120224102561.

It is a cyclic number.

It is not a de Polignac number, because 16520142202145 - 2¹⁶ = 16520142136609 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 919997 + ... + 5821226.

It is an arithmetic number, because the mean of its divisors is an integer number (1253159835480).

Almost surely, 2^{16520142202145} is an apocalyptic number.

It is an amenable number.

16520142202145 is a deficient number, since it is larger than the sum of its proper divisors (3530415165535).

16520142202145 is an equidigital number, since it uses as much as digits as its factorization.

16520142202145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746824.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 16520142202145 in words is "sixteen trillion, five hundred twenty billion, one hundred forty-two million, two hundred two thousand, one hundred forty-five".