228801169151 has 4 divisors (see below), whose sum is σ = 242260061472. Its totient is φ = 215342276832.

The previous prime is 228801169109. The next prime is 228801169213. The reversal of 228801169151 is 151961108822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151961108822 = 2 ⋅75980554411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228801169151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228801169451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6729446135 + ... + 6729446168.

It is an arithmetic number, because the mean of its divisors is an integer number (60565015368).

Almost surely, 2^228801169151 is an apocalyptic number.

228801169151 is a deficient number, since it is larger than the sum of its proper divisors (13458892321).

228801169151 is a wasteful number, since it uses less digits than its factorization.

228801169151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13458892320.

The product of its (nonzero) digits is 69120, while the sum is 44.

The spelling of 228801169151 in words is "two hundred twenty-eight billion, eight hundred one million, one hundred sixty-nine thousand, one hundred fifty-one".