162231500162169 has 27 divisors (see below), whose sum is σ = 238842196939983. Its totient is φ = 106112360991312.

The previous prime is 162231500162131. The next prime is 162231500162257. The reversal of 162231500162169 is 961261005132261.

It is a happy number.

The square root of 162231500162169 is 12737013.

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

162231500162169 is a `hidden beast` number, since 1 + 6 + 2 + 2 + 3 + 15 + 0 + 0 + 1 + 621 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 116952220658025 + 45279279504144 = 10814445^2 + 6728988^2 .

It is not a de Polignac number, because 162231500162169 - 2⁷ = 162231500162041 is a prime.

It is a super-2 number, since 2×162231500162169² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (162231500162119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2025145014 + ... + 2025225120.

Almost surely, 2^{162231500162169} is an apocalyptic number.

162231500162169 is the 12737013-rd square number.

162231500162169 is the 6368507-th centered octagonal number.

It is an amenable number.

162231500162169 is a deficient number, since it is larger than the sum of its proper divisors (76610696777814).

162231500162169 is an frugal number, since it uses more digits than its factorization.

162231500162169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160326 (or 80163 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 162231500162169 in words is "one hundred sixty-two trillion, two hundred thirty-one billion, five hundred million, one hundred sixty-two thousand, one hundred sixty-nine".