68181006 has 16 divisors (see below), whose sum is σ = 143539200. Its totient is φ = 21530808.

The previous prime is 68180969. The next prime is 68181007. The reversal of 68181006 is 60018186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68181007) 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, 298926 + ... + 299153.

It is an arithmetic number, because the mean of its divisors is an integer number (8971200).

Almost surely, 2^68181006 is an apocalyptic number.

68181006 is an abundant number, since it is smaller than the sum of its proper divisors (75358194).

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

68181006 is a wasteful number, since it uses less digits than its factorization.

68181006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598103.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 68181006 is about 8257.1790582499. The cubic root of 68181006 is about 408.5273481828.

Subtracting from 68181006 its reverse (60018186), we obtain a triangular number (8162820 = T₄₀₄₀).

The spelling of 68181006 in words is "sixty-eight million, one hundred eighty-one thousand, six".