216706003760 has 40 divisors (see below), whose sum is σ = 503865362160. Its totient is φ = 86678289152.

The previous prime is 216706003733. The next prime is 216706003771. The reversal of 216706003760 is 67300607612.

216706003760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×216706003760² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2074871 + ... + 2176809.

It is an arithmetic number, because the mean of its divisors is an integer number (12596634054).

Almost surely, 2^216706003760 is an apocalyptic number.

216706003760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216706003760 is an abundant number, since it is smaller than the sum of its proper divisors (287159358400).

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

216706003760 is a wasteful number, since it uses less digits than its factorization.

216706003760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128525 (or 128519 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 216706003760 in words is "two hundred sixteen billion, seven hundred six million, three thousand, seven hundred sixty".