1366147327860 has 384 divisors, whose sum is σ = 5185100390400. Its totient is φ = 291659719680.

The previous prime is 1366147327819. The next prime is 1366147327873. The reversal of 1366147327860 is 687237416631.

It is a happy number.

1366147327860 is a `hidden beast` number, since 1 + 36 + 61 + 473 + 2 + 7 + 86 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1366147327797 and 1366147327806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4965264 + ... + 5233176.

It is an arithmetic number, because the mean of its divisors is an integer number (13502865600).

Almost surely, 2^{1366147327860} is an apocalyptic number.

1366147327860 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 1366147327860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2592550195200).

1366147327860 is an abundant number, since it is smaller than the sum of its proper divisors (3818953062540).

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

1366147327860 is a wasteful number, since it uses less digits than its factorization.

1366147327860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268028 (or 268020 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 1366147327860 in words is "one trillion, three hundred sixty-six billion, one hundred forty-seven million, three hundred twenty-seven thousand, eight hundred sixty".