216097382165 has 32 divisors (see below), whose sum is σ = 310451028480. Its totient is φ = 141186760704.

The previous prime is 216097382153. The next prime is 216097382167. The reversal of 216097382165 is 561283790612.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 216097382165 - 2⁶ = 216097382101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216097382167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315380 + ... + 729149.

It is an arithmetic number, because the mean of its divisors is an integer number (9701594640).

Almost surely, 2^216097382165 is an apocalyptic number.

It is an amenable number.

216097382165 is a deficient number, since it is larger than the sum of its proper divisors (94353646315).

216097382165 is a wasteful number, since it uses less digits than its factorization.

216097382165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044821.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 216097382165 in words is "two hundred sixteen billion, ninety-seven million, three hundred eighty-two thousand, one hundred sixty-five".