213532162605 has 32 divisors (see below), whose sum is σ = 381710085120. Its totient is φ = 113254614720.

The previous prime is 213532162603. The next prime is 213532162619. The reversal of 213532162605 is 506261235312.

213532162605 is a `hidden beast` number, since 2 + 1 + 3 + 5 + 3 + 21 + 626 + 0 + 5 = 666.

213532162605 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 213532162605 - 2¹ = 213532162603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213532162605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213532162603) 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 31 ways as a sum of consecutive naturals, for example, 4344957 + ... + 4393826.

It is an arithmetic number, because the mean of its divisors is an integer number (11928440160).

Almost surely, 2^213532162605 is an apocalyptic number.

It is an amenable number.

213532162605 is a deficient number, since it is larger than the sum of its proper divisors (168177922515).

213532162605 is a wasteful number, since it uses less digits than its factorization.

213532162605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8738978 (or 8738972 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 213532162605 its reverse (506261235312), we get a palindrome (719793397917).

The spelling of 213532162605 in words is "two hundred thirteen billion, five hundred thirty-two million, one hundred sixty-two thousand, six hundred five".