1368203856 has 40 divisors (see below), whose sum is σ = 3535886784. Its totient is φ = 455892480.

The previous prime is 1368203849. The next prime is 1368203891. The reversal of 1368203856 is 6583028631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199720 + ... + 206456.

Almost surely, 2^1368203856 is an apocalyptic number.

1368203856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1368203856 is an abundant number, since it is smaller than the sum of its proper divisors (2167682928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1368203856 is a wasteful number, since it uses less digits than its factorization.

1368203856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10979 (or 10973 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 1368203856 is about 36989.2397326574. The cubic root of 1368203856 is about 1110.1549592931.

The spelling of 1368203856 in words is "one billion, three hundred sixty-eight million, two hundred three thousand, eight hundred fifty-six".