3681966055 has 8 divisors (see below), whose sum is σ = 4418692992. Its totient is φ = 2945350368.

The previous prime is 3681966011. The next prime is 3681966059. The reversal of 3681966055 is 5506691863.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3681966055 - 2²⁵ = 3648411623 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 91689 + ... + 125581.

It is an arithmetic number, because the mean of its divisors is an integer number (552336624).

Almost surely, 2^3681966055 is an apocalyptic number.

3681966055 is a deficient number, since it is larger than the sum of its proper divisors (736726937).

3681966055 is a wasteful number, since it uses less digits than its factorization.

3681966055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55625.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 3681966055 is about 60679.2061170876. The cubic root of 3681966055 is about 1544.1634198364.

The spelling of 3681966055 in words is "three billion, six hundred eighty-one million, nine hundred sixty-six thousand, fifty-five".