4181065966 has 16 divisors (see below), whose sum is σ = 7819136640. Its totient is φ = 1628986680.

The previous prime is 4181065951. The next prime is 4181065991. The reversal of 4181065966 is 6695601814.

4181065966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4181065966² = 34962625224087026312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13574736 + ... + 13575043.

It is an arithmetic number, because the mean of its divisors is an integer number (488696040).

Almost surely, 2^4181065966 is an apocalyptic number.

4181065966 is a deficient number, since it is larger than the sum of its proper divisors (3638070674).

4181065966 is a wasteful number, since it uses less digits than its factorization.

4181065966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27149799.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 4181065966 is about 64661.1627331275. The cubic root of 4181065966 is about 1611.0004925529. Note that the first 3 decimals are identical.

The spelling of 4181065966 in words is "four billion, one hundred eighty-one million, sixty-five thousand, nine hundred sixty-six".