1356666668 has 12 divisors (see below), whose sum is σ = 2713333392. Its totient is φ = 581428560.

The previous prime is 1356666659. The next prime is 1356666677. The reversal of 1356666668 is 8666666531.

It is an interprime number because it is at equal distance from previous prime (1356666659) and next prime (1356666677).

1356666668 is an admirable number.

It is a plaindrome in base 10.

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, 24226163 + ... + 24226218.

It is an arithmetic number, because the mean of its divisors is an integer number (226111116).

Almost surely, 2^1356666668 is an apocalyptic number.

It is an amenable number.

1356666668 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.

1356666668 is a wasteful number, since it uses less digits than its factorization.

1356666668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48452392 (or 48452390 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 53.

The square root of 1356666668 is about 36832.9562755965. The cubic root of 1356666668 is about 1107.0257382668.

The spelling of 1356666668 in words is "one billion, three hundred fifty-six million, six hundred sixty-six thousand, six hundred sixty-eight".