225655677167 has 4 divisors (see below), whose sum is σ = 225675993840. Its totient is φ = 225635360496.

The previous prime is 225655677157. The next prime is 225655677193. The reversal of 225655677167 is 761776556522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225655677167 - 2¹² = 225655673071 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 (225655677157) 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, 10141667 + ... + 10163892.

It is an arithmetic number, because the mean of its divisors is an integer number (56418998460).

Almost surely, 2^225655677167 is an apocalyptic number.

225655677167 is a deficient number, since it is larger than the sum of its proper divisors (20316673).

225655677167 is a wasteful number, since it uses less digits than its factorization.

225655677167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20316672.

The product of its digits is 37044000, while the sum is 59.

The spelling of 225655677167 in words is "two hundred twenty-five billion, six hundred fifty-five million, six hundred seventy-seven thousand, one hundred sixty-seven".