216608013518140 has 48 divisors (see below), whose sum is σ = 474677659310400. Its totient is φ = 82871992811520.

The previous prime is 216608013518131. The next prime is 216608013518173. The reversal of 216608013518140 is 41815310806612.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2416581 + ... + 20953660.

It is an arithmetic number, because the mean of its divisors is an integer number (9889117902300).

Almost surely, 2^{216608013518140} is an apocalyptic number.

216608013518140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216608013518140 is an abundant number, since it is smaller than the sum of its proper divisors (258069645792260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216608013518140 is a wasteful number, since it uses less digits than its factorization.

216608013518140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23390422 (or 23390420 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 216608013518140 in words is "two hundred sixteen trillion, six hundred eight billion, thirteen million, five hundred eighteen thousand, one hundred forty".