236520066 has 8 divisors (see below), whose sum is σ = 473040144. Its totient is φ = 78840020.

The previous prime is 236520059. The next prime is 236520071. The reversal of 236520066 is 660025632.

It is a sphenic number, since it is the product of 3 distinct primes.

236520066 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19710000 + ... + 19710011.

It is an arithmetic number, because the mean of its divisors is an integer number (59130018).

Almost surely, 2^236520066 is an apocalyptic number.

236520066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

236520066 is a wasteful number, since it uses less digits than its factorization.

236520066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39420016.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 236520066 is about 15379.2088873258. The cubic root of 236520066 is about 618.4282648536.

Adding to 236520066 its reverse (660025632), we get a palindrome (896545698).

The spelling of 236520066 in words is "two hundred thirty-six million, five hundred twenty thousand, sixty-six".