162396910225 has 81 divisors (see below), whose sum is σ = 235675837873. Its totient is φ = 110901472000.

The previous prime is 162396910199. The next prime is 162396910229. The reversal of 162396910225 is 522019693261.

The square root of 162396910225 is 402985.

It is a perfect power (a square), and thus also a powerful number.

162396910225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3798626689 + 158598283536 = 61633^2 + 398244^2 .

It is not a de Polignac number, because 162396910225 - 2¹⁵ = 162396877457 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162396910229) by changing a digit.

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 80 ways as a sum of consecutive naturals, for example, 376790760 + ... + 376791190.

Almost surely, 2^162396910225 is an apocalyptic number.

162396910225 is the 402985-th square number.

162396910225 is the 201493-rd centered octagonal number.

It is an amenable number.

162396910225 is a deficient number, since it is larger than the sum of its proper divisors (73278927648).

162396910225 is an equidigital number, since it uses as much as digits as its factorization.

162396910225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 162396910225 in words is "one hundred sixty-two billion, three hundred ninety-six million, nine hundred ten thousand, two hundred twenty-five".