233165641 has 2 divisors, whose sum is σ = 233165642. Its totient is φ = 233165640.

The previous prime is 233165629. The next prime is 233165677. The reversal of 233165641 is 146561332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207965241 + 25200400 = 14421^2 + 5020^2 .

It is a cyclic number.

It is not a de Polignac number, because 233165641 - 2²¹ = 231068489 is a prime.

It is a super-2 number, since 2×233165641² = 108732432285881762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (233165341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116582820 + 116582821.

It is an arithmetic number, because the mean of its divisors is an integer number (116582821).

Almost surely, 2^233165641 is an apocalyptic number.

It is an amenable number.

233165641 is a deficient number, since it is larger than the sum of its proper divisors (1).

233165641 is an equidigital number, since it uses as much as digits as its factorization.

233165641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 233165641 is about 15269.7623098724. The cubic root of 233165641 is about 615.4907322118.

The spelling of 233165641 in words is "two hundred thirty-three million, one hundred sixty-five thousand, six hundred forty-one".