216608013518139 has 12 divisors (see below), whose sum is σ = 312879319769016. Its totient is φ = 144404844797472.

The previous prime is 216608013518131. The next prime is 216608013518173. The reversal of 216608013518139 is 931815310806612.

216608013518139 is a `hidden beast` number, since 2 + 1 + 6 + 6 + 0 + 80 + 13 + 518 + 1 + 39 = 666.

216608013518139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216608013518139 - 2³ = 216608013518131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216608013518131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38695389 + ... + 43938014.

It is an arithmetic number, because the mean of its divisors is an integer number (26073276647418).

Almost surely, 2^{216608013518139} is an apocalyptic number.

216608013518139 is a deficient number, since it is larger than the sum of its proper divisors (96271306250877).

216608013518139 is a wasteful number, since it uses less digits than its factorization.

216608013518139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82924666 (or 82924663 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 216608013518139 in words is "two hundred sixteen trillion, six hundred eight billion, thirteen million, five hundred eighteen thousand, one hundred thirty-nine".