68660318 has 8 divisors (see below), whose sum is σ = 103050360. Its totient is φ = 34310200.

The previous prime is 68660303. The next prime is 68660321. The reversal of 68660318 is 81306686.

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

It is a super-2 number, since 2×68660318² = 9428478535722248, which contains 22 as substring.

It is a Curzon number.

It is a congruent 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, 5228 + ... + 12831.

It is an arithmetic number, because the mean of its divisors is an integer number (12881295).

Almost surely, 2^68660318 is an apocalyptic number.

68660318 is a deficient number, since it is larger than the sum of its proper divisors (34390042).

68660318 is a wasteful number, since it uses less digits than its factorization.

68660318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19962.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 68660318 is about 8286.1521830099. The cubic root of 68660318 is about 409.4824284073.

The spelling of 68660318 in words is "sixty-eight million, six hundred sixty thousand, three hundred eighteen".