228165216631364 has 12 divisors (see below), whose sum is σ = 399289864730988. Its totient is φ = 114082398136800.

The previous prime is 228165216631343. The next prime is 228165216631393. The reversal of 228165216631364 is 463136612561822.

It can be written as a sum of positive squares in 2 ways, for example, as 47463281209600 + 180701935421764 = 6889360^2 + 13442542^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50089427 + ... + 54454394.

It is an arithmetic number, because the mean of its divisors is an integer number (33274155394249).

Almost surely, 2^{228165216631364} is an apocalyptic number.

It is an amenable number.

228165216631364 is a deficient number, since it is larger than the sum of its proper divisors (171124648099624).

228165216631364 is a wasteful number, since it uses less digits than its factorization.

228165216631364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105089446 (or 105089444 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 56.

The spelling of 228165216631364 in words is "two hundred twenty-eight trillion, one hundred sixty-five billion, two hundred sixteen million, six hundred thirty-one thousand, three hundred sixty-four".