3845116081 has 9 divisors (see below), whose sum is σ = 3915117273. Its totient is φ = 3776348100.

The previous prime is 3845116063. The next prime is 3845116091. The reversal of 3845116081 is 1806115483.

The square root of 3845116081 is 62009.

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

It is a de Polignac number, because none of the positive numbers 2^k-3845116081 is a prime.

It is a super-2 number, since 2×3845116081² = 29569835352729597122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3845116081.

It is not an unprimeable number, because it can be changed into a prime (3845116091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3658006 + ... + 3659056.

Almost surely, 2^3845116081 is an apocalyptic number.

3845116081 is the 62009-th square number.

3845116081 is the 31005-th centered octagonal number.

It is an amenable number.

3845116081 is a deficient number, since it is larger than the sum of its proper divisors (70001192).

3845116081 is an frugal number, since it uses more digits than its factorization.

3845116081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The cubic root of 3845116081 is about 1566.6421915949.

The spelling of 3845116081 in words is "three billion, eight hundred forty-five million, one hundred sixteen thousand, eighty-one".