27212160216 has 64 divisors (see below), whose sum is σ = 68894421120. Its totient is φ = 8955659520.

The previous prime is 27212160211. The next prime is 27212160247. The reversal of 27212160216 is 61206121272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27212160211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4002516 + ... + 4009308.

It is an arithmetic number, because the mean of its divisors is an integer number (1076475330).

Almost surely, 2^27212160216 is an apocalyptic number.

It is an amenable number.

27212160216 is an abundant number, since it is smaller than the sum of its proper divisors (41682260904).

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

27212160216 is a wasteful number, since it uses less digits than its factorization.

27212160216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8896 (or 8892 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

Adding to 27212160216 its reverse (61206121272), we get a palindrome (88418281488).

The spelling of 27212160216 in words is "twenty-seven billion, two hundred twelve million, one hundred sixty thousand, two hundred sixteen".