1866774832341 has 4 divisors (see below), whose sum is σ = 2489033109792. Its totient is φ = 1244516554892.

The previous prime is 1866774832337. The next prime is 1866774832387. The reversal of 1866774832341 is 1432384776681.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1866774832341 - 2² = 1866774832337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1866774832141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311129138721 + ... + 311129138726.

It is an arithmetic number, because the mean of its divisors is an integer number (622258277448).

Almost surely, 2^{1866774832341} is an apocalyptic number.

It is an amenable number.

1866774832341 is a deficient number, since it is larger than the sum of its proper divisors (622258277451).

1866774832341 is an equidigital number, since it uses as much as digits as its factorization.

1866774832341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622258277450.

The product of its digits is 32514048, while the sum is 60.

The spelling of 1866774832341 in words is "one trillion, eight hundred sixty-six billion, seven hundred seventy-four million, eight hundred thirty-two thousand, three hundred forty-one".