216740967127 has 8 divisors (see below), whose sum is σ = 216969480000. Its totient is φ = 216512516064.

The previous prime is 216740967109. The next prime is 216740967139. The reversal of 216740967127 is 721769047612.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 216740967127 - 2¹⁹ = 216740442839 is a prime.

It is a super-2 number, since 2×216740967127² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216740962127) 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, 10801618 + ... + 10821664.

It is an arithmetic number, because the mean of its divisors is an integer number (27121185000).

Almost surely, 2^216740967127 is an apocalyptic number.

216740967127 is a deficient number, since it is larger than the sum of its proper divisors (228512873).

216740967127 is a wasteful number, since it uses less digits than its factorization.

216740967127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30905.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 216740967127 in words is "two hundred sixteen billion, seven hundred forty million, nine hundred sixty-seven thousand, one hundred twenty-seven".