216552122600 has 48 divisors (see below), whose sum is σ = 549254934720. Its totient is φ = 78746225600.

The previous prime is 216552122587. The next prime is 216552122623. The reversal of 216552122600 is 6221255612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49214192 + ... + 49218591.

It is an arithmetic number, because the mean of its divisors is an integer number (11442811140).

Almost surely, 2^216552122600 is an apocalyptic number.

216552122600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216552122600 is an abundant number, since it is smaller than the sum of its proper divisors (332702812120).

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

216552122600 is a wasteful number, since it uses less digits than its factorization.

216552122600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98432810 (or 98432801 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 216552122600 in words is "two hundred sixteen billion, five hundred fifty-two million, one hundred twenty-two thousand, six hundred".