216453610882944 has 160 divisors (see below), whose sum is σ = 672169501927440. Its totient is φ = 69014194698240.

The previous prime is 216453610882931. The next prime is 216453610883089. The reversal of 216453610882944 is 449288016354612.

216453610882944 is a `hidden beast` number, since 2 + 1 + 6 + 4 + 5 + 3 + 610 + 8 + 8 + 2 + 9 + 4 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 453611197 + ... + 454088124.

Almost surely, 2^{216453610882944} is an apocalyptic number.

216453610882944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

216453610882944 is an abundant number, since it is smaller than the sum of its proper divisors (455715891044496).

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

216453610882944 is an equidigital number, since it uses as much as digits as its factorization.

216453610882944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907699370 (or 907699349 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 63.

The spelling of 216453610882944 in words is "two hundred sixteen trillion, four hundred fifty-three billion, six hundred ten million, eight hundred eighty-two thousand, nine hundred forty-four".