1866666683367 has 12 divisors (see below), whose sum is σ = 2854901986560. Its totient is φ = 1171241840448.

The previous prime is 1866666683339. The next prime is 1866666683377. The reversal of 1866666683367 is 7633866666681.

It is not a de Polignac number, because 1866666683367 - 2⁶ = 1866666683303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1866666683295 and 1866666683304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1866666683377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6100217767 + ... + 6100218072.

It is an arithmetic number, because the mean of its divisors is an integer number (237908498880).

Almost surely, 2^{1866666683367} is an apocalyptic number.

1866666683367 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1866666683367 is a deficient number, since it is larger than the sum of its proper divisors (988235303193).

1866666683367 is a wasteful number, since it uses less digits than its factorization.

1866666683367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12200435862 (or 12200435859 counting only the distinct ones).

The product of its digits is 1128701952, while the sum is 72.

The spelling of 1866666683367 in words is "one trillion, eight hundred sixty-six billion, six hundred sixty-six million, six hundred eighty-three thousand, three hundred sixty-seven".