217083286481060 has 24 divisors (see below), whose sum is σ = 456409338810936. Its totient is φ = 86731517030400.

The previous prime is 217083286481041. The next prime is 217083286481141. The reversal of 217083286481060 is 60184682380712.

It can be written as a sum of positive squares in 4 ways, for example, as 2099189504164 + 214984096976896 = 1448858^2 + 14662336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 217083286480987 and 217083286481005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6362330141 + ... + 6362364260.

It is an arithmetic number, because the mean of its divisors is an integer number (19017055783789).

Almost surely, 2^{217083286481060} is an apocalyptic number.

217083286481060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

217083286481060 is an abundant number, since it is smaller than the sum of its proper divisors (239326052329876).

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

217083286481060 is a wasteful number, since it uses less digits than its factorization.

217083286481060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12724695263 (or 12724695261 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 217083286481060 in words is "two hundred seventeen trillion, eighty-three billion, two hundred eighty-six million, four hundred eighty-one thousand, sixty".