168351472025 has 24 divisors (see below), whose sum is σ = 228813012768. Its totient is φ = 121857120000.

The previous prime is 168351472021. The next prime is 168351472031. The reversal of 168351472025 is 520274153861.

168351472025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168351472025 - 2² = 168351472021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168351472021) 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 23 ways as a sum of consecutive naturals, for example, 1392656 + ... + 1508705.

It is an arithmetic number, because the mean of its divisors is an integer number (9533875532).

Almost surely, 2^168351472025 is an apocalyptic number.

It is an amenable number.

168351472025 is a deficient number, since it is larger than the sum of its proper divisors (60461540743).

168351472025 is a wasteful number, since it uses less digits than its factorization.

168351472025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901593 (or 2901588 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 168351472025 in words is "one hundred sixty-eight billion, three hundred fifty-one million, four hundred seventy-two thousand, twenty-five".