216741539833 has 16 divisors (see below), whose sum is σ = 267903732096. Its totient is φ = 170751795840.

The previous prime is 216741539821. The next prime is 216741539867. The reversal of 216741539833 is 338935147612.

It is a cyclic number.

It is not a de Polignac number, because 216741539833 - 2³⁷ = 79302586361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216741509833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5089903 + ... + 5132308.

It is an arithmetic number, because the mean of its divisors is an integer number (16743983256).

Almost surely, 2^216741539833 is an apocalyptic number.

It is an amenable number.

216741539833 is a deficient number, since it is larger than the sum of its proper divisors (51162192263).

216741539833 is a wasteful number, since it uses less digits than its factorization.

216741539833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10222464.

The product of its digits is 3265920, while the sum is 52.

The spelling of 216741539833 in words is "two hundred sixteen billion, seven hundred forty-one million, five hundred thirty-nine thousand, eight hundred thirty-three".