163254737225 has 12 divisors (see below), whose sum is σ = 202494438336. Its totient is φ = 130566006480.

The previous prime is 163254737203. The next prime is 163254737227. The reversal of 163254737225 is 522737452361.

It is not a de Polignac number, because 163254737225 - 2⁸ = 163254736969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163254737225.

It is not an unprimeable number, because it can be changed into a prime (163254737227) 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, 856277 + ... + 1029426.

It is an arithmetic number, because the mean of its divisors is an integer number (16874536528).

Almost surely, 2^163254737225 is an apocalyptic number.

It is an amenable number.

163254737225 is a deficient number, since it is larger than the sum of its proper divisors (39239701111).

163254737225 is a wasteful number, since it uses less digits than its factorization.

163254737225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889176 (or 1889171 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 47.

The spelling of 163254737225 in words is "one hundred sixty-three billion, two hundred fifty-four million, seven hundred thirty-seven thousand, two hundred twenty-five".