216061350976 has 63 divisors (see below), whose sum is σ = 433936813989. Its totient is φ = 106738464768.

The previous prime is 216061350959. The next prime is 216061350979. The reversal of 216061350976 is 679053160612.

The square root of 216061350976 is 464824.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 97019790400 + 119041560576 = 311480^2 + 345024^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216061350979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 360703125 + ... + 360703723.

Almost surely, 2^216061350976 is an apocalyptic number.

216061350976 is the 464824-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216061350976

216061350976 is an abundant number, since it is smaller than the sum of its proper divisors (217875463013).

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

216061350976 is an frugal number, since it uses more digits than its factorization.

216061350976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 216061350976 in words is "two hundred sixteen billion, sixty-one million, three hundred fifty thousand, nine hundred seventy-six".