1366585857143 has 6 divisors (see below), whose sum is σ = 1479794153184. Its totient is φ = 1261463867976.

The previous prime is 1366585857083. The next prime is 1366585857149. The reversal of 1366585857143 is 3417585856631.

It is not a de Polignac number, because 1366585857143 - 2²² = 1366581662839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366585857149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4043153255 + ... + 4043153592.

It is an arithmetic number, because the mean of its divisors is an integer number (246632358864).

Almost surely, 2^{1366585857143} is an apocalyptic number.

1366585857143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1366585857143 is a deficient number, since it is larger than the sum of its proper divisors (113208296041).

1366585857143 is an equidigital number, since it uses as much as digits as its factorization.

1366585857143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8086306873 (or 8086306860 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 62.

The spelling of 1366585857143 in words is "one trillion, three hundred sixty-six billion, five hundred eighty-five million, eight hundred fifty-seven thousand, one hundred forty-three".