233560161 has 12 divisors (see below), whose sum is σ = 357209892. Its totient is φ = 146547456.

The previous prime is 233560153. The next prime is 233560163. The reversal of 233560161 is 161065332.

233560161 is a `hidden beast` number, since 23 + 35 + 601 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 87609600 + 145950561 = 9360^2 + 12081^2 .

It is not a de Polignac number, because 233560161 - 2³ = 233560153 is a prime.

It is a super-3 number, since 3×233560161³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (233560163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 763116 + ... + 763421.

It is an arithmetic number, because the mean of its divisors is an integer number (29767491).

Almost surely, 2^233560161 is an apocalyptic number.

It is an amenable number.

233560161 is a deficient number, since it is larger than the sum of its proper divisors (123649731).

233560161 is a wasteful number, since it uses less digits than its factorization.

233560161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526560 (or 1526557 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 233560161 is about 15282.6751912092. The cubic root of 233560161 is about 615.8376766666.

The spelling of 233560161 in words is "two hundred thirty-three million, five hundred sixty thousand, one hundred sixty-one".