16520105707628 has 12 divisors (see below), whose sum is σ = 28912360251432. Its totient is φ = 8259431350080.

The previous prime is 16520105707571. The next prime is 16520105707751. The reversal of 16520105707628 is 82670750102561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155316125 + ... + 155422452.

It is an arithmetic number, because the mean of its divisors is an integer number (2409363354286).

Almost surely, 2^{16520105707628} is an apocalyptic number.

It is an amenable number.

16520105707628 is a deficient number, since it is larger than the sum of its proper divisors (12392254543804).

16520105707628 is a wasteful number, since it uses less digits than its factorization.

16520105707628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310751872 (or 310751870 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 16520105707628 in words is "sixteen trillion, five hundred twenty billion, one hundred five million, seven hundred seven thousand, six hundred twenty-eight".