3681966056 has 16 divisors (see below), whose sum is σ = 6905853600. Its totient is φ = 1840405104.

The previous prime is 3681966011. The next prime is 3681966059. The reversal of 3681966056 is 6506691863.

It is a junction number, because it is equal to n+sod(n) for n = 3681965995 and 3681966013.

It is not an unprimeable number, because it can be changed into a prime (3681966059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44540 + ... + 96683.

It is an arithmetic number, because the mean of its divisors is an integer number (431615850).

Almost surely, 2^3681966056 is an apocalyptic number.

It is an amenable number.

3681966056 is a deficient number, since it is larger than the sum of its proper divisors (3223887544).

3681966056 is a wasteful number, since it uses less digits than its factorization.

3681966056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144488 (or 144484 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 3681966056 is about 60679.2061253276. The cubic root of 3681966056 is about 1544.1634199762.

The spelling of 3681966056 in words is "three billion, six hundred eighty-one million, nine hundred sixty-six thousand, fifty-six".