1845345215166 has 16 divisors (see below), whose sum is σ = 3745775362944. Its totient is φ = 605934249624.

The previous prime is 1845345215117. The next prime is 1845345215167. The reversal of 1845345215166 is 6615125435481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1845345215167) 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 7 ways as a sum of consecutive naturals, for example, 2295205090 + ... + 2295205893.

It is an arithmetic number, because the mean of its divisors is an integer number (234110960184).

Almost surely, 2^{1845345215166} is an apocalyptic number.

1845345215166 is an abundant number, since it is smaller than the sum of its proper divisors (1900430147778).

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

1845345215166 is a wasteful number, since it uses less digits than its factorization.

1845345215166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590411055.

The product of its digits is 3456000, while the sum is 51.

The spelling of 1845345215166 in words is "one trillion, eight hundred forty-five billion, three hundred forty-five million, two hundred fifteen thousand, one hundred sixty-six".