216012665067 has 8 divisors (see below), whose sum is σ = 295041689040. Its totient is φ = 140496042240.

The previous prime is 216012665051. The next prime is 216012665117. The reversal of 216012665067 is 760566210612.

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

It is not a de Polignac number, because 216012665067 - 2⁴ = 216012665051 is a prime.

It is a super-2 number, since 2×216012665067² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216012865067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878100142 + ... + 878100387.

It is an arithmetic number, because the mean of its divisors is an integer number (36880211130).

Almost surely, 2^216012665067 is an apocalyptic number.

216012665067 is a deficient number, since it is larger than the sum of its proper divisors (79029023973).

216012665067 is a wasteful number, since it uses less digits than its factorization.

216012665067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756200573.

The product of its (nonzero) digits is 181440, while the sum is 42.

Adding to 216012665067 its reverse (760566210612), we get a palindrome (976578875679).

The spelling of 216012665067 in words is "two hundred sixteen billion, twelve million, six hundred sixty-five thousand, sixty-seven".