243335066 has 16 divisors (see below), whose sum is σ = 393993600. Its totient is φ = 112047408.

The previous prime is 243335021. The next prime is 243335069. The reversal of 243335066 is 660533342.

It is not an unprimeable number, because it can be changed into a prime (243335069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755 + ... + 22073.

It is an arithmetic number, because the mean of its divisors is an integer number (24624600).

Almost surely, 2^243335066 is an apocalyptic number.

243335066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

243335066 is a deficient number, since it is larger than the sum of its proper divisors (150658534).

243335066 is a wasteful number, since it uses less digits than its factorization.

243335066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21773.

The product of its (nonzero) digits is 38880, while the sum is 32.

The square root of 243335066 is about 15599.2008128622. The cubic root of 243335066 is about 624.3118322116.

The spelling of 243335066 in words is "two hundred forty-three million, three hundred thirty-five thousand, sixty-six".