3820686200181 has 16 divisors (see below), whose sum is σ = 5723874460800. Its totient is φ = 2518504759584.

The previous prime is 3820686200147. The next prime is 3820686200249. The reversal of 3820686200181 is 1810026860283.

3820686200181 is a `hidden beast` number, since 3 + 8 + 2 + 0 + 6 + 8 + 620 + 0 + 18 + 1 = 666.

It is not a de Polignac number, because 3820686200181 - 2²⁵ = 3820652645749 is a prime.

It is a super-2 number, since 2×3820686200181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820686200081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794980161 + ... + 794984966.

It is an arithmetic number, because the mean of its divisors is an integer number (357742153800).

Almost surely, 2^{3820686200181} is an apocalyptic number.

It is an amenable number.

3820686200181 is a deficient number, since it is larger than the sum of its proper divisors (1903188260619).

3820686200181 is a wasteful number, since it uses less digits than its factorization.

3820686200181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589965225 (or 1589965219 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 3820686200181 in words is "three trillion, eight hundred twenty billion, six hundred eighty-six million, two hundred thousand, one hundred eighty-one".