825166572 has 24 divisors (see below), whose sum is σ = 1930201392. Its totient is φ = 274368000.

The previous prime is 825166549. The next prime is 825166583. The reversal of 825166572 is 275661528.

825166572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80929 + ... + 90552.

It is an arithmetic number, because the mean of its divisors is an integer number (80425058).

Almost surely, 2^825166572 is an apocalyptic number.

It is an amenable number.

825166572 is an abundant number, since it is smaller than the sum of its proper divisors (1105034820).

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

825166572 is a wasteful number, since it uses less digits than its factorization.

825166572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171889 (or 171887 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 825166572 is about 28725.7127326721. The cubic root of 825166572 is about 937.9518450524.

The spelling of 825166572 in words is "eight hundred twenty-five million, one hundred sixty-six thousand, five hundred seventy-two".