235216656 has 80 divisors (see below), whose sum is σ = 710718400. Its totient is φ = 74276352.

The previous prime is 235216649. The next prime is 235216669. The reversal of 235216656 is 656612532.

It is a happy number.

235216656 is a `hidden beast` number, since 23 + 521 + 66 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 235216656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6121 + ... + 22536.

It is an arithmetic number, because the mean of its divisors is an integer number (8883980).

Almost surely, 2^235216656 is an apocalyptic number.

It is an amenable number.

235216656 is an abundant number, since it is smaller than the sum of its proper divisors (475501744).

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

235216656 is a wasteful number, since it uses less digits than its factorization.

235216656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28693 (or 28681 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 235216656 is about 15336.7746283239. The cubic root of 235216656 is about 617.2901643511.

The spelling of 235216656 in words is "two hundred thirty-five million, two hundred sixteen thousand, six hundred fifty-six".