16521350102345 has 16 divisors (see below), whose sum is σ = 22325625008640. Its totient is φ = 11627929689600.

The previous prime is 16521350102317. The next prime is 16521350102353. The reversal of 16521350102345 is 54320105312561.

16521350102345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16521350102345 - 2¹⁸ = 16521349840201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16521350102299 and 16521350102308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4844969000 + ... + 4844972409.

It is an arithmetic number, because the mean of its divisors is an integer number (1395351563040).

Almost surely, 2^{16521350102345} is an apocalyptic number.

It is an amenable number.

16521350102345 is a deficient number, since it is larger than the sum of its proper divisors (5804274906295).

16521350102345 is a wasteful number, since it uses less digits than its factorization.

16521350102345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9689941456.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 16521350102345 in words is "sixteen trillion, five hundred twenty-one billion, three hundred fifty million, one hundred two thousand, three hundred forty-five".