162640830213 has 12 divisors (see below), whose sum is σ = 237121211808. Its totient is φ = 107413881000.

The previous prime is 162640830199. The next prime is 162640830217. The reversal of 162640830213 is 312038046261.

162640830213 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 408 + 30 + 213 = 666.

162640830213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 162640830213 - 2²⁰ = 162639781637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162640830217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84443913 + ... + 84445838.

It is an arithmetic number, because the mean of its divisors is an integer number (19760100984).

Almost surely, 2^162640830213 is an apocalyptic number.

It is an amenable number.

162640830213 is a deficient number, since it is larger than the sum of its proper divisors (74480381595).

162640830213 is a wasteful number, since it uses less digits than its factorization.

162640830213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168889864 (or 168889861 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 162640830213 its reverse (312038046261), we get a palindrome (474678876474).

The spelling of 162640830213 in words is "one hundred sixty-two billion, six hundred forty million, eight hundred thirty thousand, two hundred thirteen".