225012161673 has 12 divisors (see below), whose sum is σ = 350018918340. Its totient is φ = 138469022496.

The previous prime is 225012161651. The next prime is 225012161683. The reversal of 225012161673 is 376161210522.

225012161673 is a `hidden beast` number, since 2 + 2 + 501 + 21 + 61 + 6 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59113169424 + 165898992249 = 243132^2 + 407307^2 .

It is not a de Polignac number, because 225012161673 - 2⁸ = 225012161417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225012161683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 961590318 + ... + 961590551.

It is an arithmetic number, because the mean of its divisors is an integer number (29168243195).

Almost surely, 2^225012161673 is an apocalyptic number.

It is an amenable number.

225012161673 is a deficient number, since it is larger than the sum of its proper divisors (125006756667).

225012161673 is a wasteful number, since it uses less digits than its factorization.

225012161673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923180888 (or 1923180885 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 225012161673 in words is "two hundred twenty-five billion, twelve million, one hundred sixty-one thousand, six hundred seventy-three".