825156664532 has 12 divisors (see below), whose sum is σ = 1444032750720. Its totient is φ = 412575878616.

The previous prime is 825156664531. The next prime is 825156664573. The reversal of 825156664532 is 235466651528.

825156664532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825156664531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291623 + ... + 1317329.

It is an arithmetic number, because the mean of its divisors is an integer number (120336062560).

Almost surely, 2^825156664532 is an apocalyptic number.

It is an amenable number.

825156664532 is a deficient number, since it is larger than the sum of its proper divisors (618876086188).

825156664532 is a wasteful number, since it uses less digits than its factorization.

825156664532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226830 (or 1226828 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 53.

The spelling of 825156664532 in words is "eight hundred twenty-five billion, one hundred fifty-six million, six hundred sixty-four thousand, five hundred thirty-two".