1808766769216 has 567 divisors, whose sum is σ = 4484986507911. Its totient is φ = 723020390400.

The previous prime is 1808766769213. The next prime is 1808766769241. The reversal of 1808766769216 is 6129676678081.

The square root of 1808766769216 is 1344904.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 178793665600 + 1629973103616 = 422840^2 + 1276704^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1808766769211) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 58347315121 + ... + 58347315151.

Almost surely, 2^{1808766769216} is an apocalyptic number.

1808766769216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1808766769216 is the 1344904-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1808766769216

1808766769216 is an abundant number, since it is smaller than the sum of its proper divisors (2676219738695).

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

1808766769216 is a wasteful number, since it uses less digits than its factorization.

1808766769216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 1808766769216 in words is "one trillion, eight hundred eight billion, seven hundred sixty-six million, seven hundred sixty-nine thousand, two hundred sixteen".