1368243660 has 288 divisors, whose sum is σ = 4651637760. Its totient is φ = 299400192.

The previous prime is 1368243659. The next prime is 1368243731. The reversal of 1368243660 is 663428631.

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 in 95 ways as a sum of consecutive naturals, for example, 9987112 + ... + 9987248.

It is an arithmetic number, because the mean of its divisors is an integer number (16151520).

Almost surely, 2^1368243660 is an apocalyptic number.

1368243660 is a gapful number since it is divisible by the number (10) 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 1368243660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2325818880).

1368243660 is an abundant number, since it is smaller than the sum of its proper divisors (3283394100).

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

1368243660 is a wasteful number, since it uses less digits than its factorization.

1368243660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 1368243660 is about 36989.7777771103. Note that the first 6 decimals coincide. The cubic root of 1368243660 is about 1110.1657247891.

The spelling of 1368243660 in words is "one billion, three hundred sixty-eight million, two hundred forty-three thousand, six hundred sixty".