230216581 has 8 divisors (see below), whose sum is σ = 265026240. Its totient is φ = 195887328.

The previous prime is 230216579. The next prime is 230216593. The reversal of 230216581 is 185612032.

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

It is not a de Polignac number, because 230216581 - 2¹ = 230216579 is a prime.

It is a super-2 number, since 2×230216581² = 105999348334659122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230216551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119071 + ... + 120988.

It is an arithmetic number, because the mean of its divisors is an integer number (33128280).

Almost surely, 2^230216581 is an apocalyptic number.

It is an amenable number.

230216581 is a deficient number, since it is larger than the sum of its proper divisors (34809659).

230216581 is a wasteful number, since it uses less digits than its factorization.

230216581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240203.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 230216581 is about 15172.8896720434. The cubic root of 230216581 is about 612.8848225068.

It can be divided in two parts, 230 and 216581, that added together give a triangular number (216811 = T₆₅₈).

The spelling of 230216581 in words is "two hundred thirty million, two hundred sixteen thousand, five hundred eighty-one".