268266647 has 32 divisors (see below), whose sum is σ = 320246784. Its totient is φ = 221977600.

The previous prime is 268266601. The next prime is 268266671. The reversal of 268266647 is 746662862.

It is a cyclic number.

It is not a de Polignac number, because 268266647 - 2¹⁶ = 268201111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268266347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1151243 + ... + 1151475.

It is an arithmetic number, because the mean of its divisors is an integer number (10007712).

Almost surely, 2^268266647 is an apocalyptic number.

268266647 is a deficient number, since it is larger than the sum of its proper divisors (51980137).

268266647 is a wasteful number, since it uses less digits than its factorization.

268266647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

The product of its digits is 1161216, while the sum is 47.

The square root of 268266647 is about 16378.8475479809. The cubic root of 268266647 is about 644.9443270658.

The spelling of 268266647 in words is "two hundred sixty-eight million, two hundred sixty-six thousand, six hundred forty-seven".