216490539160 has 64 divisors (see below), whose sum is σ = 556730161920. Its totient is φ = 74219967360.

The previous prime is 216490539121. The next prime is 216490539179. The reversal of 216490539160 is 61935094612.

216490539160 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 216490539160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7099867 + ... + 7130293.

It is an arithmetic number, because the mean of its divisors is an integer number (8698908780).

Almost surely, 2^216490539160 is an apocalyptic number.

216490539160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216490539160 is an abundant number, since it is smaller than the sum of its proper divisors (340239622760).

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

216490539160 is a wasteful number, since it uses less digits than its factorization.

216490539160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55856 (or 55852 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 216490539160 in words is "two hundred sixteen billion, four hundred ninety million, five hundred thirty-nine thousand, one hundred sixty".