68111118 has 20 divisors (see below), whose sum is σ = 152619720. Its totient is φ = 22703652.

The previous prime is 68111107. The next prime is 68111137. The reversal of 68111118 is 81111186.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 68111091 and 68111100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 210058 + ... + 210381.

It is an arithmetic number, because the mean of its divisors is an integer number (7630986).

Almost surely, 2^68111118 is an apocalyptic number.

68111118 is an abundant number, since it is smaller than the sum of its proper divisors (84508602).

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

68111118 is a wasteful number, since it uses less digits than its factorization.

68111118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420453 (or 420444 counting only the distinct ones).

The product of its digits is 384, while the sum is 27.

The square root of 68111118 is about 8252.9460194527. The cubic root of 68111118 is about 408.3877153541.

The spelling of 68111118 in words is "sixty-eight million, one hundred eleven thousand, one hundred eighteen".