1368717056 has 144 divisors (see below), whose sum is σ = 3337770240. Its totient is φ = 546816000.

The previous prime is 1368717043. The next prime is 1368717083. The reversal of 1368717056 is 6507178631.

It is a junction number, because it is equal to n+sod(n) for n = 1368716998 and 1368717016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5452931 + ... + 5453181.

It is an arithmetic number, because the mean of its divisors is an integer number (23178960).

Almost surely, 2^1368717056 is an apocalyptic number.

1368717056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368717056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668885120).

1368717056 is an abundant number, since it is smaller than the sum of its proper divisors (1969053184).

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

1368717056 is a wasteful number, since it uses less digits than its factorization.

1368717056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 1368717056 is about 36996.1762348489. The cubic root of 1368717056 is about 1110.2937447292.

The spelling of 1368717056 in words is "one billion, three hundred sixty-eight million, seven hundred seventeen thousand, fifty-six".