1806108065856 has 112 divisors (see below), whose sum is σ = 5336576657280. Its totient is φ = 598979888640.

The previous prime is 1806108065819. The next prime is 1806108065863. The reversal of 1806108065856 is 6585608016081.

1806108065856 is a `hidden beast` number, since 18 + 0 + 610 + 8 + 0 + 6 + 5 + 8 + 5 + 6 = 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 15 ways as a sum of consecutive naturals, for example, 2312380 + ... + 2993211.

Almost surely, 2^{1806108065856} is an apocalyptic number.

1806108065856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1806108065856 is an abundant number, since it is smaller than the sum of its proper divisors (3530468591424).

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

1806108065856 is a wasteful number, since it uses less digits than its factorization.

1806108065856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305809 (or 5305793 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 1806108065856 in words is "one trillion, eight hundred six billion, one hundred eight million, sixty-five thousand, eight hundred fifty-six".