181468801 has 4 divisors (see below), whose sum is σ = 181912900. Its totient is φ = 181024704.

The previous prime is 181468789. The next prime is 181468817. The reversal of 181468801 is 108864181.

181468801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108864181 = 2087 ⋅52163.

It can be written as a sum of positive squares in 2 ways, for example, as 82446400 + 99022401 = 9080^2 + 9951^2 .

It is a cyclic number.

It is not a de Polignac number, because 181468801 - 2⁵ = 181468769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181468841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221436 + ... + 222253.

It is an arithmetic number, because the mean of its divisors is an integer number (45478225).

Almost surely, 2^181468801 is an apocalyptic number.

It is an amenable number.

181468801 is a deficient number, since it is larger than the sum of its proper divisors (444099).

181468801 is an equidigital number, since it uses as much as digits as its factorization.

181468801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444098.

The product of its (nonzero) digits is 12288, while the sum is 37.

The square root of 181468801 is about 13471.0356320515. The cubic root of 181468801 is about 566.1532307058.

The spelling of 181468801 in words is "one hundred eighty-one million, four hundred sixty-eight thousand, eight hundred one".