1816396727112 has 160 divisors (see below), whose sum is σ = 5791410377280. Its totient is φ = 526491757440.

The previous prime is 1816396727087. The next prime is 1816396727183. The reversal of 1816396727112 is 2117276936181.

1816396727112 is a `hidden beast` number, since 181 + 6 + 396 + 7 + 2 + 71 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5375743 + ... + 5703630.

It is an arithmetic number, because the mean of its divisors is an integer number (36196314858).

Almost surely, 2^{1816396727112} is an apocalyptic number.

1816396727112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1816396727112 is an abundant number, since it is smaller than the sum of its proper divisors (3975013650168).

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

1816396727112 is a wasteful number, since it uses less digits than its factorization.

1816396727112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11079425 (or 11079412 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The spelling of 1816396727112 in words is "one trillion, eight hundred sixteen billion, three hundred ninety-six million, seven hundred twenty-seven thousand, one hundred twelve".