243299066 has 16 divisors (see below), whose sum is σ = 385819200. Its totient is φ = 114748128.

The previous prime is 243299029. The next prime is 243299101. The reversal of 243299066 is 660992342.

243299066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4886 + ... + 22593.

It is an arithmetic number, because the mean of its divisors is an integer number (24113700).

Almost surely, 2^243299066 is an apocalyptic number.

243299066 is a deficient number, since it is larger than the sum of its proper divisors (142520134).

243299066 is a wasteful number, since it uses less digits than its factorization.

243299066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27733.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 243299066 is about 15598.0468649123. The cubic root of 243299066 is about 624.2810429316.

The spelling of 243299066 in words is "two hundred forty-three million, two hundred ninety-nine thousand, sixty-six".