225545433663 has 16 divisors (see below), whose sum is σ = 339378710400. Its totient is φ = 131980608480.

The previous prime is 225545433637. The next prime is 225545433689. The reversal of 225545433663 is 366334545522.

225545433663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225545433637) and next prime (225545433689).

It is not a de Polignac number, because 225545433663 - 2¹² = 225545429567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225545433613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117838873 + ... + 117840786.

It is an arithmetic number, because the mean of its divisors is an integer number (21211169400).

Almost surely, 2^225545433663 is an apocalyptic number.

225545433663 is a deficient number, since it is larger than the sum of its proper divisors (113833276737).

225545433663 is a wasteful number, since it uses less digits than its factorization.

225545433663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235679702.

The product of its digits is 7776000, while the sum is 48.

The spelling of 225545433663 in words is "two hundred twenty-five billion, five hundred forty-five million, four hundred thirty-three thousand, six hundred sixty-three".