231651760896 has 144 divisors (see below), whose sum is σ = 691439414400. Its totient is φ = 76495352832.

The previous prime is 231651760871. The next prime is 231651760913. The reversal of 231651760896 is 698067156132.

231651760896 is a `hidden beast` number, since 2 + 3 + 16 + 5 + 17 + 608 + 9 + 6 = 666.

231651760896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 582975 + ... + 896193.

It is an arithmetic number, because the mean of its divisors is an integer number (4801662600).

Almost surely, 2^231651760896 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 231651760896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345719707200).

231651760896 is an abundant number, since it is smaller than the sum of its proper divisors (459787653504).

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

231651760896 is a wasteful number, since it uses less digits than its factorization.

231651760896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313351 (or 313331 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 231651760896 in words is "two hundred thirty-one billion, six hundred fifty-one million, seven hundred sixty thousand, eight hundred ninety-six".