213512160 has 48 divisors (see below), whose sum is σ = 672564816. Its totient is φ = 56936448.

The previous prime is 213512153. The next prime is 213512161. The reversal of 213512160 is 61215312.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213512161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221929 + ... + 222888.

It is an arithmetic number, because the mean of its divisors is an integer number (14011767).

Almost surely, 2^213512160 is an apocalyptic number.

213512160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213512160 is an abundant number, since it is smaller than the sum of its proper divisors (459052656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213512160 is a wasteful number, since it uses less digits than its factorization.

213512160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444835 (or 444827 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 213512160 is about 14612.0552969115. The cubic root of 213512160 is about 597.6875434689.

Adding to 213512160 its reverse (61215312), we get a palindrome (274727472).

The spelling of 213512160 in words is "two hundred thirteen million, five hundred twelve thousand, one hundred sixty".