180493416494458 has 8 divisors (see below), whose sum is σ = 280075991112180. Its totient is φ = 87134752790400.

The previous prime is 180493416494453. The next prime is 180493416494477. The reversal of 180493416494458 is 854494614394081.

It can be written as a sum of positive squares in 2 ways, for example, as 177971154779889 + 2522261714569 = 13340583^2 + 1588163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (180493416494453) 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, 1555977728343 + ... + 1555977728458.

Almost surely, 2^{180493416494458} is an apocalyptic number.

180493416494458 is a deficient number, since it is larger than the sum of its proper divisors (99582574617722).

180493416494458 is a wasteful number, since it uses less digits than its factorization.

180493416494458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111955456832.

The product of its (nonzero) digits is 477757440, while the sum is 70.

The spelling of 180493416494458 in words is "one hundred eighty trillion, four hundred ninety-three billion, four hundred sixteen million, four hundred ninety-four thousand, four hundred fifty-eight".