168351472725 has 12 divisors (see below), whose sum is σ = 278341101696. Its totient is φ = 89787452080.

The previous prime is 168351472699. The next prime is 168351472733. The reversal of 168351472725 is 527274153861.

168351472725 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 168351472725 - 2¹⁴ = 168351456341 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1122343077 + ... + 1122343226.

It is an arithmetic number, because the mean of its divisors is an integer number (23195091808).

Almost surely, 2^168351472725 is an apocalyptic number.

168351472725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168351472725 is a deficient number, since it is larger than the sum of its proper divisors (109989628971).

168351472725 is a wasteful number, since it uses less digits than its factorization.

168351472725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244686316 (or 2244686311 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The spelling of 168351472725 in words is "one hundred sixty-eight billion, three hundred fifty-one million, four hundred seventy-two thousand, seven hundred twenty-five".