232563657656 has 64 divisors (see below), whose sum is σ = 483294833280. Its totient is φ = 104025905280.

The previous prime is 232563657619. The next prime is 232563657661. The reversal of 232563657656 is 656756365232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5858531 + ... + 5898093.

It is an arithmetic number, because the mean of its divisors is an integer number (7551481770).

Almost surely, 2^232563657656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232563657656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241647416640).

232563657656 is an abundant number, since it is smaller than the sum of its proper divisors (250731175624).

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

232563657656 is a wasteful number, since it uses less digits than its factorization.

232563657656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40644 (or 40640 counting only the distinct ones).

The product of its digits is 40824000, while the sum is 56.

The spelling of 232563657656 in words is "two hundred thirty-two billion, five hundred sixty-three million, six hundred fifty-seven thousand, six hundred fifty-six".