16808148016812 has 72 divisors (see below), whose sum is σ = 42527250782016. Its totient is φ = 5597444339424.

The previous prime is 16808148016801. The next prime is 16808148016819. The reversal of 16808148016812 is 21861084180861.

16808148016812 is a `hidden beast` number, since 1 + 6 + 8 + 0 + 81 + 480 + 1 + 6 + 81 + 2 = 666.

It is a super-2 number, since 2×16808148016812² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16808148016819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324537183 + ... + 324588969.

Almost surely, 2^{16808148016812} is an apocalyptic number.

16808148016812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16808148016812 is an abundant number, since it is smaller than the sum of its proper divisors (25719102765204).

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

16808148016812 is a wasteful number, since it uses less digits than its factorization.

16808148016812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60107 (or 60102 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 54.

The spelling of 16808148016812 in words is "sixteen trillion, eight hundred eight billion, one hundred forty-eight million, sixteen thousand, eight hundred twelve".