162530523322 has 4 divisors (see below), whose sum is σ = 243795784986. Its totient is φ = 81265261660.

The previous prime is 162530523319. The next prime is 162530523329. The reversal of 162530523322 is 223325035261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 140063811001 + 22466712321 = 374251^2 + 149889^2 .

It is a super-2 number, since 2×162530523322² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (162530523329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40632630829 + ... + 40632630832.

Almost surely, 2^162530523322 is an apocalyptic number.

162530523322 is a deficient number, since it is larger than the sum of its proper divisors (81265261664).

162530523322 is an equidigital number, since it uses as much as digits as its factorization.

162530523322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81265261663.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 162530523322 its reverse (223325035261), we get a palindrome (385855558583).

The spelling of 162530523322 in words is "one hundred sixty-two billion, five hundred thirty million, five hundred twenty-three thousand, three hundred twenty-two".