525397049271668 has 12 divisors (see below), whose sum is σ = 1050794098543392. Its totient is φ = 225170163973560.

The previous prime is 525397049271649. The next prime is 525397049271691. The reversal of 525397049271668 is 866172940793525.

525397049271668 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 525397049271595 and 525397049271604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9382090165538 + ... + 9382090165593.

It is an arithmetic number, because the mean of its divisors is an integer number (87566174878616).

It is a 1-persistent number, because it is pandigital, but 2⋅525397049271668 = 1050794098543336 is not.

Almost surely, 2^{525397049271668} is an apocalyptic number.

It is an amenable number.

525397049271668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525397049271668 is a wasteful number, since it uses less digits than its factorization.

525397049271668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18764180331142 (or 18764180331140 counting only the distinct ones).

The product of its (nonzero) digits is 1371686400, while the sum is 74.

The spelling of 525397049271668 in words is "five hundred twenty-five trillion, three hundred ninety-seven billion, forty-nine million, two hundred seventy-one thousand, six hundred sixty-eight".