216032677721705 has 128 divisors (see below), whose sum is σ = 309366153169920. Its totient is φ = 143196016803840.

The previous prime is 216032677721681. The next prime is 216032677721717. The reversal of 216032677721705 is 507127776230612.

216032677721705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216032677721705 - 2⁴⁰ = 214933166093929 is a prime.

It is a super-2 number, since 2×216032677721705² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12493929110 + ... + 12493946400.

It is an arithmetic number, because the mean of its divisors is an integer number (2416923071640).

Almost surely, 2^{216032677721705} is an apocalyptic number.

It is an amenable number.

216032677721705 is a deficient number, since it is larger than the sum of its proper divisors (93333475448215).

216032677721705 is a wasteful number, since it uses less digits than its factorization.

216032677721705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18771.

The product of its (nonzero) digits is 10372320, while the sum is 56.

The spelling of 216032677721705 in words is "two hundred sixteen trillion, thirty-two billion, six hundred seventy-seven million, seven hundred twenty-one thousand, seven hundred five".