243352164 has 48 divisors (see below), whose sum is σ = 623649600. Its totient is φ = 73242240.

The previous prime is 243352159. The next prime is 243352169. The reversal of 243352164 is 461253342.

It is an interprime number because it is at equal distance from previous prime (243352159) and next prime (243352169).

It is not an unprimeable number, because it can be changed into a prime (243352169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13482 + ... + 25854.

It is an arithmetic number, because the mean of its divisors is an integer number (12992700).

Almost surely, 2^243352164 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 243352164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311824800).

243352164 is an abundant number, since it is smaller than the sum of its proper divisors (380297436).

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

243352164 is a wasteful number, since it uses less digits than its factorization.

243352164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12540 (or 12538 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 243352164 is about 15599.7488441321. The cubic root of 243352164 is about 624.3264543454.

The spelling of 243352164 in words is "two hundred forty-three million, three hundred fifty-two thousand, one hundred sixty-four".