243163632 has 20 divisors (see below), whose sum is σ = 628172840. Its totient is φ = 81054528.

The previous prime is 243163621. The next prime is 243163633. The reversal of 243163632 is 236361342.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 243163632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243163633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2532907 + ... + 2533002.

It is an arithmetic number, because the mean of its divisors is an integer number (31408642).

Almost surely, 2^243163632 is an apocalyptic number.

It is an amenable number.

243163632 is an abundant number, since it is smaller than the sum of its proper divisors (385009208).

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

243163632 is a wasteful number, since it uses less digits than its factorization.

243163632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065920 (or 5065914 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

The square root of 243163632 is about 15593.7048837023. The cubic root of 243163632 is about 624.1651847367.

The spelling of 243163632 in words is "two hundred forty-three million, one hundred sixty-three thousand, six hundred thirty-two".