68061018 has 8 divisors (see below), whose sum is σ = 136122048. Its totient is φ = 22687004.

The previous prime is 68061001. The next prime is 68061023. The reversal of 68061018 is 81016086.

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

68061018 is an admirable number.

It is a Curzon number.

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, 5671746 + ... + 5671757.

It is an arithmetic number, because the mean of its divisors is an integer number (17015256).

Almost surely, 2^68061018 is an apocalyptic number.

68061018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68061018 is a wasteful number, since it uses less digits than its factorization.

68061018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11343508.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 68061018 is about 8249.9101813292. The cubic root of 68061018 is about 408.2875591986.

The spelling of 68061018 in words is "sixty-eight million, sixty-one thousand, eighteen".