68180266 has 24 divisors (see below), whose sum is σ = 129784896. Its totient is φ = 26563320.

The previous prime is 68180237. The next prime is 68180323. The reversal of 68180266 is 66208186.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30546 + ... + 32701.

It is an arithmetic number, because the mean of its divisors is an integer number (5407704).

Almost surely, 2^68180266 is an apocalyptic number.

68180266 is a deficient number, since it is larger than the sum of its proper divisors (61604630).

68180266 is a wasteful number, since it uses less digits than its factorization.

68180266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63274 (or 63267 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 68180266 is about 8257.1342486361. The cubic root of 68180266 is about 408.5258701987.

The spelling of 68180266 in words is "sixty-eight million, one hundred eighty thousand, two hundred sixty-six".