225133920164 has 12 divisors (see below), whose sum is σ = 399533436288. Its totient is φ = 110981509800.

The previous prime is 225133920163. The next prime is 225133920211. The reversal of 225133920164 is 461029331522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (225133920161) 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, 396362252 + ... + 396362819.

It is an arithmetic number, because the mean of its divisors is an integer number (33294453024).

Almost surely, 2^225133920164 is an apocalyptic number.

It is an amenable number.

225133920164 is a deficient number, since it is larger than the sum of its proper divisors (174399516124).

225133920164 is a wasteful number, since it uses less digits than its factorization.

225133920164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792725146 (or 792725144 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 225133920164 in words is "two hundred twenty-five billion, one hundred thirty-three million, nine hundred twenty thousand, one hundred sixty-four".