230155566 has 16 divisors (see below), whose sum is σ = 462240000. Its totient is φ = 76397048.

The previous prime is 230155561. The next prime is 230155613. The reversal of 230155566 is 665551032.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230155561) 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, 78816 + ... + 81683.

It is an arithmetic number, because the mean of its divisors is an integer number (28890000).

Almost surely, 2^230155566 is an apocalyptic number.

230155566 is an abundant number, since it is smaller than the sum of its proper divisors (232084434).

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

230155566 is a wasteful number, since it uses less digits than its factorization.

230155566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160743.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 230155566 is about 15170.8788802759. The cubic root of 230155566 is about 612.8306728137.

The spelling of 230155566 in words is "two hundred thirty million, one hundred fifty-five thousand, five hundred sixty-six".