228766842435061 has 4 divisors (see below), whose sum is σ = 261447819925792. Its totient is φ = 196085864944332.

The previous prime is 228766842434993. The next prime is 228766842435119. The reversal of 228766842435061 is 160534248667822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228766842435061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228766842434984 and 228766842435002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228766842835061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16340488745355 + ... + 16340488745368.

It is an arithmetic number, because the mean of its divisors is an integer number (65361954981448).

Almost surely, 2^{228766842435061} is an apocalyptic number.

It is an amenable number.

228766842435061 is a deficient number, since it is larger than the sum of its proper divisors (32680977490731).

228766842435061 is an equidigital number, since it uses as much as digits as its factorization.

228766842435061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32680977490730.

The product of its (nonzero) digits is 185794560, while the sum is 64.

The spelling of 228766842435061 in words is "two hundred twenty-eight trillion, seven hundred sixty-six billion, eight hundred forty-two million, four hundred thirty-five thousand, sixty-one".