230436613161578 has 8 divisors (see below), whose sum is σ = 345815465461668. Its totient is φ = 115164791341024.

The previous prime is 230436613161499. The next prime is 230436613161619. The reversal of 230436613161578 is 875161316634032.

It can be written as a sum of positive squares in 2 ways, for example, as 225440525414329 + 4996087747249 = 15014677^2 + 2235193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26757614501 + ... + 26757623112.

Almost surely, 2^{230436613161578} is an apocalyptic number.

230436613161578 is a deficient number, since it is larger than the sum of its proper divisors (115378852300090).

230436613161578 is a wasteful number, since it uses less digits than its factorization.

230436613161578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53515239768.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 230436613161578 in words is "two hundred thirty trillion, four hundred thirty-six billion, six hundred thirteen million, one hundred sixty-one thousand, five hundred seventy-eight".