68111802 has 48 divisors (see below), whose sum is σ = 161572320. Its totient is φ = 20565600.

The previous prime is 68111801. The next prime is 68111821. The reversal of 68111802 is 20811186.

It is not an unprimeable number, because it can be changed into a prime (68111801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82552 + ... + 83372.

It is an arithmetic number, because the mean of its divisors is an integer number (3366090).

Almost surely, 2^68111802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68111802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80786160).

68111802 is an abundant number, since it is smaller than the sum of its proper divisors (93460518).

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

68111802 is a wasteful number, since it uses less digits than its factorization.

68111802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 68111802 is about 8252.9874590963. The cubic root of 68111802 is about 408.3890824156.

Adding to 68111802 its reverse (20811186), we get a palindrome (88922988).

The spelling of 68111802 in words is "sixty-eight million, one hundred eleven thousand, eight hundred two".