68180151 has 32 divisors (see below), whose sum is σ = 104186880. Its totient is φ = 39312000.

The previous prime is 68180111. The next prime is 68180153. The reversal of 68180151 is 15108186.

It is a happy number.

It is not a de Polignac number, because 68180151 - 2¹⁸ = 67918007 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68180153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74386 + ... + 75296.

It is an arithmetic number, because the mean of its divisors is an integer number (3255840).

Almost surely, 2^68180151 is an apocalyptic number.

68180151 is a deficient number, since it is larger than the sum of its proper divisors (36006729).

68180151 is a wasteful number, since it uses less digits than its factorization.

68180151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 68180151 is about 8257.1272849581. The cubic root of 68180151 is about 408.5256405110.

The spelling of 68180151 in words is "sixty-eight million, one hundred eighty thousand, one hundred fifty-one".