216125164265 has 8 divisors (see below), whose sum is σ = 259515292608. Its totient is φ = 172790067760.

The previous prime is 216125164237. The next prime is 216125164289. The reversal of 216125164265 is 562461521612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216125164265 - 2²⁰ = 216124115689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13749317 + ... + 13765026.

It is an arithmetic number, because the mean of its divisors is an integer number (32439411576).

Almost surely, 2^216125164265 is an apocalyptic number.

It is an amenable number.

216125164265 is a deficient number, since it is larger than the sum of its proper divisors (43390128343).

216125164265 is a wasteful number, since it uses less digits than its factorization.

216125164265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27515919.

The product of its digits is 172800, while the sum is 41.

Adding to 216125164265 its reverse (562461521612), we get a palindrome (778586685877).

The spelling of 216125164265 in words is "two hundred sixteen billion, one hundred twenty-five million, one hundred sixty-four thousand, two hundred sixty-five".