162665212162 has 4 divisors (see below), whose sum is σ = 243997818246. Its totient is φ = 81332606080.

The previous prime is 162665212133. The next prime is 162665212169. The reversal of 162665212162 is 261212566261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 261212566261 = 197 ⋅1325952113.

It can be written as a sum of positive squares in only one way, i.e., 108333797881 + 54331414281 = 329141^2 + 233091^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (162665212169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40666303039 + ... + 40666303042.

Almost surely, 2^162665212162 is an apocalyptic number.

162665212162 is a deficient number, since it is larger than the sum of its proper divisors (81332606084).

162665212162 is an equidigital number, since it uses as much as digits as its factorization.

162665212162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81332606083.

The product of its digits is 103680, while the sum is 40.

The spelling of 162665212162 in words is "one hundred sixty-two billion, six hundred sixty-five million, two hundred twelve thousand, one hundred sixty-two".