668098058 has 4 divisors (see below), whose sum is σ = 1002147090. Its totient is φ = 334049028.

The previous prime is 668098051. The next prime is 668098063. The reversal of 668098058 is 850890866.

668098058 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.

It can be written as a sum of positive squares in only one way, i.e., 491819329 + 176278729 = 22177^2 + 13277^2 .

It is a super-3 number, since 3×668098058³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 668097997 and 668098015.

It is not an unprimeable number, because it can be changed into a prime (668098051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167024513 + ... + 167024516.

Almost surely, 2^668098058 is an apocalyptic number.

668098058 is a deficient number, since it is larger than the sum of its proper divisors (334049032).

668098058 is a wasteful number, since it uses less digits than its factorization.

668098058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334049031.

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 668098058 is about 25847.5928859923. The cubic root of 668098058 is about 874.2052355567.

The spelling of 668098058 in words is "six hundred sixty-eight million, ninety-eight thousand, fifty-eight".