227980969656 has 128 divisors (see below), whose sum is σ = 649889533440. Its totient is φ = 65970432000.

The previous prime is 227980969649. The next prime is 227980969691. The reversal of 227980969656 is 656969089722.

227980969656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3618036 + ... + 3680508.

It is an arithmetic number, because the mean of its divisors is an integer number (5077261980).

Almost surely, 2^227980969656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227980969656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324944766720).

227980969656 is an abundant number, since it is smaller than the sum of its proper divisors (421908563784).

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

227980969656 is a wasteful number, since it uses less digits than its factorization.

227980969656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63117 (or 63113 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 69.

The spelling of 227980969656 in words is "two hundred twenty-seven billion, nine hundred eighty million, nine hundred sixty-nine thousand, six hundred fifty-six".