68118151 has 8 divisors (see below), whose sum is σ = 69407264. Its totient is φ = 66834720.

The previous prime is 68118139. The next prime is 68118199. The reversal of 68118151 is 15181186.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68118151 - 2⁵ = 68118119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68118121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28561 + ... + 30853.

It is an arithmetic number, because the mean of its divisors is an integer number (8675908).

Almost surely, 2^68118151 is an apocalyptic number.

68118151 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

68118151 is a deficient number, since it is larger than the sum of its proper divisors (1289113).

68118151 is a wasteful number, since it uses less digits than its factorization.

68118151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its digits is 1920, while the sum is 31.

The square root of 68118151 is about 8253.3720987243. The cubic root of 68118151 is about 408.4017712676.

The spelling of 68118151 in words is "sixty-eight million, one hundred eighteen thousand, one hundred fifty-one".