68118192 has 160 divisors (see below), whose sum is σ = 211692800. Its totient is φ = 20901888.

The previous prime is 68118139. The next prime is 68118199. The reversal of 68118192 is 29181186.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (68118199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352848 + ... + 353040.

It is an arithmetic number, because the mean of its divisors is an integer number (1323080).

Almost surely, 2^68118192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68118192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105846400).

68118192 is an abundant number, since it is smaller than the sum of its proper divisors (143574608).

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

68118192 is a wasteful number, since it uses less digits than its factorization.

68118192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 260 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 68118192 is about 8253.3745825571. The cubic root of 68118192 is about 408.4018532060.

The spelling of 68118192 in words is "sixty-eight million, one hundred eighteen thousand, one hundred ninety-two".