162281505712 has 20 divisors (see below), whose sum is σ = 318208617720. Its totient is φ = 80163152768.

The previous prime is 162281505707. The next prime is 162281505751. The reversal of 162281505712 is 217505182261.

It is a super-3 number, since 3×162281505712³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61098637 + ... + 61101292.

It is an arithmetic number, because the mean of its divisors is an integer number (15910430886).

Almost surely, 2^162281505712 is an apocalyptic number.

It is an amenable number.

162281505712 is a deficient number, since it is larger than the sum of its proper divisors (155927112008).

162281505712 is a wasteful number, since it uses less digits than its factorization.

162281505712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122200020 (or 122200014 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

Adding to 162281505712 its reverse (217505182261), we get a palindrome (379786687973).

The spelling of 162281505712 in words is "one hundred sixty-two billion, two hundred eighty-one million, five hundred five thousand, seven hundred twelve".