1226766668 has 24 divisors (see below), whose sum is σ = 2195182080. Its totient is φ = 599723280.

The previous prime is 1226766659. The next prime is 1226766677. The reversal of 1226766668 is 8666676221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1226766659) and next prime (1226766677).

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13703 + ... + 51393.

It is an arithmetic number, because the mean of its divisors is an integer number (91465920).

Almost surely, 2^1226766668 is an apocalyptic number.

It is an amenable number.

1226766668 is a deficient number, since it is larger than the sum of its proper divisors (968415412).

1226766668 is a wasteful number, since it uses less digits than its factorization.

1226766668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37877 (or 37875 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 1226766668 is about 35025.2290213783. The cubic root of 1226766668 is about 1070.5016042786.

The spelling of 1226766668 in words is "one billion, two hundred twenty-six million, seven hundred sixty-six thousand, six hundred sixty-eight".