1268467666 has 8 divisors (see below), whose sum is σ = 1920484080. Its totient is φ = 628306308.

The previous prime is 1268467657. The next prime is 1268467667. The reversal of 1268467666 is 6667648621.

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

It is not an unprimeable number, because it can be changed into a prime (1268467667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2963496 + ... + 2963923.

It is an arithmetic number, because the mean of its divisors is an integer number (240060510).

Almost surely, 2^1268467666 is an apocalyptic number.

1268467666 is a deficient number, since it is larger than the sum of its proper divisors (652016414).

1268467666 is a wasteful number, since it uses less digits than its factorization.

1268467666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927528.

The product of its digits is 3483648, while the sum is 52.

The square root of 1268467666 is about 35615.5537090188. The cubic root of 1268467666 is about 1082.4964158845.

The spelling of 1268467666 in words is "one billion, two hundred sixty-eight million, four hundred sixty-seven thousand, six hundred sixty-six".