216654160306 has 16 divisors (see below), whose sum is σ = 341698766040. Its totient is φ = 102877044480.

The previous prime is 216654160301. The next prime is 216654160313. The reversal of 216654160306 is 603061456612.

It can be written as a sum of positive squares in 4 ways, for example, as 114727851225 + 101926309081 = 338715^2 + 319259^2 .

It is not an unprimeable number, because it can be changed into a prime (216654160301) 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, 30614631 + ... + 30621706.

Almost surely, 2^216654160306 is an apocalyptic number.

216654160306 is a deficient number, since it is larger than the sum of its proper divisors (125044605734).

216654160306 is a wasteful number, since it uses less digits than its factorization.

216654160306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61236429.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 216654160306 in words is "two hundred sixteen billion, six hundred fifty-four million, one hundred sixty thousand, three hundred six".