1818671088345 has 32 divisors (see below), whose sum is σ = 3036619065600. Its totient is φ = 927715835904.

The previous prime is 1818671088329. The next prime is 1818671088347. The reversal of 1818671088345 is 5438801768181.

It is not a de Polignac number, because 1818671088345 - 2⁴ = 1818671088329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1818671088347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4544521 + ... + 4928489.

It is an arithmetic number, because the mean of its divisors is an integer number (94894345800).

Almost surely, 2^{1818671088345} is an apocalyptic number.

1818671088345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1818671088345 is a deficient number, since it is larger than the sum of its proper divisors (1217947977255).

1818671088345 is a wasteful number, since it uses less digits than its factorization.

1818671088345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397729.

The product of its (nonzero) digits is 10321920, while the sum is 60.

The spelling of 1818671088345 in words is "one trillion, eight hundred eighteen billion, six hundred seventy-one million, eighty-eight thousand, three hundred forty-five".