1366966488825 has 192 divisors, whose sum is σ = 3023935027200. Its totient is φ = 591425452800.

The previous prime is 1366966488821. The next prime is 1366966488851. The reversal of 1366966488825 is 5288846696631.

1366966488825 is a `hidden beast` number, since 1 + 3 + 6 + 6 + 9 + 66 + 488 + 82 + 5 = 666.

It is not a de Polignac number, because 1366966488825 - 2² = 1366966488821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1366966488821) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 98117110 + ... + 98131040.

It is an arithmetic number, because the mean of its divisors is an integer number (15749661600).

Almost surely, 2^{1366966488825} is an apocalyptic number.

1366966488825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1366966488825 is an abundant number, since it is smaller than the sum of its proper divisors (1656968538375).

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

1366966488825 is a wasteful number, since it uses less digits than its factorization.

1366966488825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15069 (or 15058 counting only the distinct ones).

The product of its digits is 716636160, while the sum is 72.

The spelling of 1366966488825 in words is "one trillion, three hundred sixty-six billion, nine hundred sixty-six million, four hundred eighty-eight thousand, eight hundred twenty-five".