214216265165 has 16 divisors (see below), whose sum is σ = 294309770112. Its totient is φ = 146627421504.

The previous prime is 214216265143. The next prime is 214216265171. The reversal of 214216265165 is 561562612412.

It is a cyclic number.

It is not a de Polignac number, because 214216265165 - 2¹² = 214216261069 is a prime.

It is a super-2 number, since 2×214216265165² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 5474639 + ... + 5513628.

It is an arithmetic number, because the mean of its divisors is an integer number (18394360632).

Almost surely, 2^214216265165 is an apocalyptic number.

It is an amenable number.

214216265165 is a deficient number, since it is larger than the sum of its proper divisors (80093504947).

214216265165 is a wasteful number, since it uses less digits than its factorization.

214216265165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10988836.

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

Adding to 214216265165 its reverse (561562612412), we get a palindrome (775778877577).

The spelling of 214216265165 in words is "two hundred fourteen billion, two hundred sixteen million, two hundred sixty-five thousand, one hundred sixty-five".