825722148164 has 12 divisors (see below), whose sum is σ = 1445597149164. Its totient is φ = 412694391264.

The previous prime is 825722148161. The next prime is 825722148179. The reversal of 825722148164 is 461841227528.

It can be written as a sum of positive squares in 2 ways, for example, as 357855204100 + 467866944064 = 598210^2 + 684008^2 .

It is not an unprimeable number, because it can be changed into a prime (825722148161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41659559 + ... + 41679374.

It is an arithmetic number, because the mean of its divisors is an integer number (120466429097).

Almost surely, 2^825722148164 is an apocalyptic number.

It is an amenable number.

825722148164 is a deficient number, since it is larger than the sum of its proper divisors (619875001000).

825722148164 is a wasteful number, since it uses less digits than its factorization.

825722148164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83341414 (or 83341412 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 50.

The spelling of 825722148164 in words is "eight hundred twenty-five billion, seven hundred twenty-two million, one hundred forty-eight thousand, one hundred sixty-four".