228511163318 has 32 divisors (see below), whose sum is σ = 349418815200. Its totient is φ = 112061131776.

The previous prime is 228511163317. The next prime is 228511163389. The reversal of 228511163318 is 813361115822.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228511163317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13410428 + ... + 13427456.

It is an arithmetic number, because the mean of its divisors is an integer number (10919337975).

Almost surely, 2^228511163318 is an apocalyptic number.

228511163318 is a deficient number, since it is larger than the sum of its proper divisors (120907651882).

228511163318 is a wasteful number, since it uses less digits than its factorization.

228511163318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17696.

The product of its digits is 69120, while the sum is 41.

The spelling of 228511163318 in words is "two hundred twenty-eight billion, five hundred eleven million, one hundred sixty-three thousand, three hundred eighteen".