230165216450 has 24 divisors (see below), whose sum is σ = 461038634868. Its totient is φ = 84984079680.

The previous prime is 230165216419. The next prime is 230165216503. The reversal of 230165216450 is 54612561032.

It can be written as a sum of positive squares in 6 ways, for example, as 9403374841 + 220761841609 = 96971^2 + 469853^2 .

It is a super-3 number, since 3×230165216450³ (a number of 35 digits) contains 333 as substring.

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 230165216450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177049517 + ... + 177050816.

Almost surely, 2^230165216450 is an apocalyptic number.

230165216450 is an abundant number, since it is smaller than the sum of its proper divisors (230873418418).

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

230165216450 is a wasteful number, since it uses less digits than its factorization.

230165216450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354100358 (or 354100353 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 230165216450 its reverse (54612561032), we get a palindrome (284777777482).

The spelling of 230165216450 in words is "two hundred thirty billion, one hundred sixty-five million, two hundred sixteen thousand, four hundred fifty".