68916111 has 8 divisors (see below), whose sum is σ = 100241664. Its totient is φ = 41767320.

The previous prime is 68916109. The next prime is 68916137. The reversal of 68916111 is 11161986.

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

It is not a de Polignac number, because 68916111 - 2¹ = 68916109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2088367 = 68916111 / (6 + 8 + 9 + 1 + 6 + 1 + 1 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68916191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044151 + ... + 1044216.

It is an arithmetic number, because the mean of its divisors is an integer number (12530208).

Almost surely, 2^68916111 is an apocalyptic number.

68916111 is a deficient number, since it is larger than the sum of its proper divisors (31325553).

68916111 is a wasteful number, since it uses less digits than its factorization.

68916111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088381.

The product of its digits is 2592, while the sum is 33.

The square root of 68916111 is about 8301.5728027886. The cubic root of 68916111 is about 409.9903051445.

The spelling of 68916111 in words is "sixty-eight million, nine hundred sixteen thousand, one hundred eleven".