1264310668 has 6 divisors (see below), whose sum is σ = 2212543676. Its totient is φ = 632155332.

The previous prime is 1264310657. The next prime is 1264310681. The reversal of 1264310668 is 8660134621.

It is a happy number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 158038830 + ... + 158038837.

Almost surely, 2^1264310668 is an apocalyptic number.

It is an amenable number.

1264310668 is a deficient number, since it is larger than the sum of its proper divisors (948233008).

1264310668 is a wasteful number, since it uses less digits than its factorization.

1264310668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316077671 (or 316077669 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1264310668 is about 35557.1465109336. The cubic root of 1264310668 is about 1081.3126095680.

The spelling of 1264310668 in words is "one billion, two hundred sixty-four million, three hundred ten thousand, six hundred sixty-eight".