216271981284176 has 40 divisors (see below), whose sum is σ = 433722556836864. Its totient is φ = 104362589105280.

The previous prime is 216271981284157. The next prime is 216271981284179. The reversal of 216271981284176 is 671482189172612.

216271981284176 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216271981284179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593867315 + ... + 594231378.

Almost surely, 2^{216271981284176} is an apocalyptic number.

It is an amenable number.

216271981284176 is an abundant number, since it is smaller than the sum of its proper divisors (217450575552688).

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

216271981284176 is a wasteful number, since it uses less digits than its factorization.

216271981284176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188099099 (or 1188099093 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 65.

The spelling of 216271981284176 in words is "two hundred sixteen trillion, two hundred seventy-one billion, nine hundred eighty-one million, two hundred eighty-four thousand, one hundred seventy-six".