68268818 has 8 divisors (see below), whose sum is σ = 102737712. Its totient is φ = 34022916.

The previous prime is 68268799. The next prime is 68268847. The reversal of 68268818 is 81886286.

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

It is a super-2 number, since 2×68268818² = 9321263022234248, which contains 22 as substring.

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, 54980 + ... + 56207.

It is an arithmetic number, because the mean of its divisors is an integer number (12842214).

Almost surely, 2^68268818 is an apocalyptic number.

68268818 is a deficient number, since it is larger than the sum of its proper divisors (34468894).

68268818 is a wasteful number, since it uses less digits than its factorization.

68268818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111496.

The product of its digits is 294912, while the sum is 47.

The square root of 68268818 is about 8262.4946596049. The cubic root of 68268818 is about 408.7026570935.

The spelling of 68268818 in words is "sixty-eight million, two hundred sixty-eight thousand, eight hundred eighteen".