243101605533216 has 96 divisors (see below), whose sum is σ = 670968677131200. Its totient is φ = 76956980782080.

The previous prime is 243101605533197. The next prime is 243101605533223. The reversal of 243101605533216 is 612335506101342.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×243101605533216² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715575906 + ... + 715915553.

It is an arithmetic number, because the mean of its divisors is an integer number (6989257053450).

Almost surely, 2^{243101605533216} is an apocalyptic number.

It is an amenable number.

243101605533216 is an abundant number, since it is smaller than the sum of its proper divisors (427867071597984).

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

243101605533216 is a wasteful number, since it uses less digits than its factorization.

243101605533216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431491562 (or 1431491554 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 243101605533216 in words is "two hundred forty-three trillion, one hundred one billion, six hundred five million, five hundred thirty-three thousand, two hundred sixteen".