216730148067009 has 24 divisors (see below), whose sum is σ = 324071613964800. Its totient is φ = 139408846385760.

The previous prime is 216730148066989. The next prime is 216730148067091. The reversal of 216730148067009 is 900760841037612.

216730148067009 is a `hidden beast` number, since 2 + 1 + 67 + 30 + 1 + 480 + 6 + 70 + 0 + 9 = 666.

It is not a de Polignac number, because 216730148067009 - 2¹⁷ = 216730147935937 is a prime.

It is a super-2 number, since 2×216730148067009² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216730148067809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284192097 + ... + 284953694.

It is an arithmetic number, because the mean of its divisors is an integer number (13502983915200).

Almost surely, 2^{216730148067009} is an apocalyptic number.

216730148067009 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

216730148067009 is a deficient number, since it is larger than the sum of its proper divisors (107341465897791).

216730148067009 is a wasteful number, since it uses less digits than its factorization.

216730148067009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569147285 (or 569147282 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 216730148067009 in words is "two hundred sixteen trillion, seven hundred thirty billion, one hundred forty-eight million, sixty-seven thousand, nine".