216541912227260 has 48 divisors (see below), whose sum is σ = 482082474877920. Its totient is φ = 81420892538880.

The previous prime is 216541912227169. The next prime is 216541912227281. The reversal of 216541912227260 is 62722219145612.

It is a junction number, because it is equal to n+sod(n) for n = 216541912227199 and 216541912227208.

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, 393351626 + ... + 393901745.

It is an arithmetic number, because the mean of its divisors is an integer number (10043384893290).

Almost surely, 2^{216541912227260} is an apocalyptic number.

216541912227260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216541912227260 is an abundant number, since it is smaller than the sum of its proper divisors (265540562650660).

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

216541912227260 is a wasteful number, since it uses less digits than its factorization.

216541912227260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787254206 (or 787254204 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 216541912227260 in words is "two hundred sixteen trillion, five hundred forty-one billion, nine hundred twelve million, two hundred twenty-seven thousand, two hundred sixty".