1810144612906 has 16 divisors (see below), whose sum is σ = 3166433726400. Its totient is φ = 775776262380.

The previous prime is 1810144612901. The next prime is 1810144612907. The reversal of 1810144612906 is 6092164410181.

It is a super-2 number, since 2×1810144612906² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1810144612901) 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 7 ways as a sum of consecutive naturals, for example, 1319346700 + ... + 1319348071.

It is an arithmetic number, because the mean of its divisors is an integer number (197902107900).

Almost surely, 2^{1810144612906} is an apocalyptic number.

1810144612906 is a deficient number, since it is larger than the sum of its proper divisors (1356289113494).

1810144612906 is an equidigital number, since it uses as much as digits as its factorization.

1810144612906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638694794 (or 2638694780 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 1810144612906 in words is "one trillion, eight hundred ten billion, one hundred forty-four million, six hundred twelve thousand, nine hundred six".