16502273625641 has 16 divisors (see below), whose sum is σ = 17609149650240. Its totient is φ = 15419240352000.

The previous prime is 16502273625637. The next prime is 16502273625671. The reversal of 16502273625641 is 14652637220561.

It is a cyclic number.

It is not a de Polignac number, because 16502273625641 - 2² = 16502273625637 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16502273625641.

It is not an unprimeable number, because it can be changed into a prime (16502273625671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84510866 + ... + 84705908.

It is an arithmetic number, because the mean of its divisors is an integer number (1100571853140).

Almost surely, 2^{16502273625641} is an apocalyptic number.

It is an amenable number.

16502273625641 is a deficient number, since it is larger than the sum of its proper divisors (1106876024599).

16502273625641 is a wasteful number, since it uses less digits than its factorization.

16502273625641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256136.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 16502273625641 in words is "sixteen trillion, five hundred two billion, two hundred seventy-three million, six hundred twenty-five thousand, six hundred forty-one".