1806852160513 has 4 divisors (see below), whose sum is σ = 1806995449008. Its totient is φ = 1806708872020.

The previous prime is 1806852160493. The next prime is 1806852160543. The reversal of 1806852160513 is 3150612586081.

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 1806852160513 - 2¹³ = 1806852152321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1806852160543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71625331 + ... + 71650552.

It is an arithmetic number, because the mean of its divisors is an integer number (451748862252).

Almost surely, 2^{1806852160513} is an apocalyptic number.

It is an amenable number.

1806852160513 is a deficient number, since it is larger than the sum of its proper divisors (143288495).

1806852160513 is a wasteful number, since it uses less digits than its factorization.

1806852160513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143288494.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 1806852160513 in words is "one trillion, eight hundred six billion, eight hundred fifty-two million, one hundred sixty thousand, five hundred thirteen".