233664061 has 12 divisors (see below), whose sum is σ = 245036512. Its totient is φ = 222799896.

The previous prime is 233664047. The next prime is 233664077. The reversal of 233664061 is 160466332.

It is not a de Polignac number, because 233664061 - 2⁵ = 233664029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233664001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257170 + ... + 258076.

Almost surely, 2^233664061 is an apocalyptic number.

It is an amenable number.

233664061 is a deficient number, since it is larger than the sum of its proper divisors (11372451).

233664061 is an equidigital number, since it uses as much as digits as its factorization.

233664061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 233664061 is about 15286.0740872207. The cubic root of 233664061 is about 615.9289822623.

The spelling of 233664061 in words is "two hundred thirty-three million, six hundred sixty-four thousand, sixty-one".