213167268 has 48 divisors (see below), whose sum is σ = 557578560. Its totient is φ = 70422912.

The previous prime is 213167263. The next prime is 213167291. The reversal of 213167268 is 862761312.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (213167263) 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 15 ways as a sum of consecutive naturals, for example, 3471 + ... + 20937.

It is an arithmetic number, because the mean of its divisors is an integer number (11616220).

Almost surely, 2^213167268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213167268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278789280).

213167268 is an abundant number, since it is smaller than the sum of its proper divisors (344411292).

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

213167268 is a wasteful number, since it uses less digits than its factorization.

213167268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17593 (or 17585 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 213167268 is about 14600.2489019879. The cubic root of 213167268 is about 597.3655497157.

The spelling of 213167268 in words is "two hundred thirteen million, one hundred sixty-seven thousand, two hundred sixty-eight".