180458066 has 4 divisors (see below), whose sum is σ = 270687102. Its totient is φ = 90229032.

The previous prime is 180458053. The next prime is 180458071. The reversal of 180458066 is 660854081.

180458066 is digitally balanced in base 3, 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: 660854081 = 8627 ⋅76603.

It can be written as a sum of positive squares in only one way, i.e., 153636025 + 26822041 = 12395^2 + 5179^2 .

It is a super-2 number, since 2×180458066² = 65130227168920712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45114515 + ... + 45114518.

Almost surely, 2^180458066 is an apocalyptic number.

180458066 is a deficient number, since it is larger than the sum of its proper divisors (90229036).

180458066 is an equidigital number, since it uses as much as digits as its factorization.

180458066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90229035.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 180458066 is about 13433.4681300102. The cubic root of 180458066 is about 565.1001634099.

The spelling of 180458066 in words is "one hundred eighty million, four hundred fifty-eight thousand, sixty-six".