213168357 has 48 divisors (see below), whose sum is σ = 329472000. Its totient is φ = 132596352.

The previous prime is 213168349. The next prime is 213168367. The reversal of 213168357 is 753861312.

213168357 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 213168357 - 2³ = 213168349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213168317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1678428 + ... + 1678554.

It is an arithmetic number, because the mean of its divisors is an integer number (6864000).

Almost surely, 2^213168357 is an apocalyptic number.

It is an amenable number.

213168357 is a deficient number, since it is larger than the sum of its proper divisors (116303643).

213168357 is a wasteful number, since it uses less digits than its factorization.

213168357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 327 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 213168357 is about 14600.2861958251. The cubic root of 213168357 is about 597.3665669607.

The spelling of 213168357 in words is "two hundred thirteen million, one hundred sixty-eight thousand, three hundred fifty-seven".