68631266 has 16 divisors (see below), whose sum is σ = 112900608. Its totient is φ = 31030800.

The previous prime is 68631259. The next prime is 68631307. The reversal of 68631266 is 66213686.

It is a Curzon number.

It is an unprimeable number.

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, 3965 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (7056288).

Almost surely, 2^68631266 is an apocalyptic number.

68631266 is a deficient number, since it is larger than the sum of its proper divisors (44269342).

68631266 is a wasteful number, since it uses less digits than its factorization.

68631266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16537.

The product of its digits is 62208, while the sum is 38.

The square root of 68631266 is about 8284.3989522475. The cubic root of 68631266 is about 409.4246659708.

The spelling of 68631266 in words is "sixty-eight million, six hundred thirty-one thousand, two hundred sixty-six".