162216513 has 10 divisors (see below), whose sum is σ = 242323554. Its totient is φ = 108144288.

The previous prime is 162216503. The next prime is 162216529. The reversal of 162216513 is 315612261.

162216513 is a `hidden beast` number, since 1 + 6 + 2 + 2 + 1 + 651 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121154049 + 41062464 = 11007^2 + 6408^2 .

It is not a de Polignac number, because 162216513 - 2²¹ = 160119361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (162216503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1001256 + ... + 1001417.

Almost surely, 2^162216513 is an apocalyptic number.

It is an amenable number.

162216513 is a deficient number, since it is larger than the sum of its proper divisors (80107041).

162216513 is an equidigital number, since it uses as much as digits as its factorization.

162216513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002685 (or 2002676 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 162216513 is about 12736.4246552948. The cubic root of 162216513 is about 545.3789279038.

Adding to 162216513 its reverse (315612261), we get a palindrome (477828774).

The spelling of 162216513 in words is "one hundred sixty-two million, two hundred sixteen thousand, five hundred thirteen".