233661640612 has 24 divisors (see below), whose sum is σ = 419982590720. Its totient is φ = 113666963040.

The previous prime is 233661640609. The next prime is 233661640651. The reversal of 233661640612 is 216046166332.

It is a happy number.

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, 3781687 + ... + 3842977.

Almost surely, 2^233661640612 is an apocalyptic number.

It is an amenable number.

233661640612 is a deficient number, since it is larger than the sum of its proper divisors (186320950108).

233661640612 is a wasteful number, since it uses less digits than its factorization.

233661640612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87091 (or 87089 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 233661640612 in words is "two hundred thirty-three billion, six hundred sixty-one million, six hundred forty thousand, six hundred twelve".