268560066 has 8 divisors (see below), whose sum is σ = 537120144. Its totient is φ = 89520020.

The previous prime is 268560031. The next prime is 268560073. The reversal of 268560066 is 660065862.

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

268560066 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22380000 + ... + 22380011.

It is an arithmetic number, because the mean of its divisors is an integer number (67140018).

Almost surely, 2^268560066 is an apocalyptic number.

268560066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

268560066 is a wasteful number, since it uses less digits than its factorization.

268560066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44760016.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 268560066 is about 16387.8023541901. The cubic root of 268560066 is about 645.1793792295.

The spelling of 268560066 in words is "two hundred sixty-eight million, five hundred sixty thousand, sixty-six".