168514495418 has 8 divisors (see below), whose sum is σ = 252773485812. Its totient is φ = 84256666816.

The previous prime is 168514495403. The next prime is 168514495421. The reversal of 168514495418 is 814594415861.

It can be written as a sum of positive squares in 2 ways, for example, as 161670738889 + 6843756529 = 402083^2 + 82727^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410396 + ... + 710952.

Almost surely, 2^168514495418 is an apocalyptic number.

168514495418 is a deficient number, since it is larger than the sum of its proper divisors (84258990394).

168514495418 is a wasteful number, since it uses less digits than its factorization.

168514495418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580896.

The product of its digits is 5529600, while the sum is 56.

The spelling of 168514495418 in words is "one hundred sixty-eight billion, five hundred fourteen million, four hundred ninety-five thousand, four hundred eighteen".