6810540450186 has 48 divisors (see below), whose sum is σ = 14973802552800. Its totient is φ = 2063542277280.

The previous prime is 6810540450179. The next prime is 6810540450191.

6810540450186 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6810540450186² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5268820 + ... + 6432848.

It is an arithmetic number, because the mean of its divisors is an integer number (311954219850).

Almost surely, 2^{6810540450186} is an apocalyptic number.

6810540450186 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6810540450186 is an abundant number, since it is smaller than the sum of its proper divisors (8163262102614).

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

6810540450186 is a wasteful number, since it uses less digits than its factorization.

6810540450186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172115 (or 1172104 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 6810540450186 in words is "six trillion, eight hundred ten billion, five hundred forty million, four hundred fifty thousand, one hundred eighty-six".