243022514216 has 8 divisors (see below), whose sum is σ = 455667214170. Its totient is φ = 121511257104.

The previous prime is 243022514197. The next prime is 243022514261. The reversal of 243022514216 is 612415220342.

It can be written as a sum of positive squares in only one way, i.e., 232665381316 + 10357132900 = 482354^2 + 101770^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15188907131 + ... + 15188907146.

Almost surely, 2^243022514216 is an apocalyptic number.

It is an amenable number.

243022514216 is a deficient number, since it is larger than the sum of its proper divisors (212644699954).

243022514216 is a wasteful number, since it uses less digits than its factorization.

243022514216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30377814283 (or 30377814279 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 243022514216 its reverse (612415220342), we get a palindrome (855437734558).

The spelling of 243022514216 in words is "two hundred forty-three billion, twenty-two million, five hundred fourteen thousand, two hundred sixteen".