230166521213 has 4 divisors (see below), whose sum is σ = 230371479168. Its totient is φ = 229961563260.

The previous prime is 230166521183. The next prime is 230166521237. The reversal of 230166521213 is 312125661032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230166521213 - 2⁸ = 230166520957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230166521213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230166521413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102477293 + ... + 102479538.

It is an arithmetic number, because the mean of its divisors is an integer number (57592869792).

Almost surely, 2^230166521213 is an apocalyptic number.

It is an amenable number.

230166521213 is a deficient number, since it is larger than the sum of its proper divisors (204957955).

230166521213 is a wasteful number, since it uses less digits than its factorization.

230166521213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204957954.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 230166521213 in words is "two hundred thirty billion, one hundred sixty-six million, five hundred twenty-one thousand, two hundred thirteen".