216565232625202 has 4 divisors (see below), whose sum is σ = 324847848937806. Its totient is φ = 108282616312600.

The previous prime is 216565232625167. The next prime is 216565232625229. The reversal of 216565232625202 is 202526232565612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 212889956381001 + 3675276244201 = 14590749^2 + 1917101^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 54141308156299 + ... + 54141308156302.

Almost surely, 2^{216565232625202} is an apocalyptic number.

216565232625202 is a deficient number, since it is larger than the sum of its proper divisors (108282616312604).

216565232625202 is a wasteful number, since it uses less digits than its factorization.

216565232625202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108282616312603.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 216565232625202 in words is "two hundred sixteen trillion, five hundred sixty-five billion, two hundred thirty-two million, six hundred twenty-five thousand, two hundred two".