3681966057 has 32 divisors (see below), whose sum is σ = 6131220480. Its totient is φ = 1909413120.

The previous prime is 3681966011. The next prime is 3681966059. The reversal of 3681966057 is 7506691863.

It is not a de Polignac number, because 3681966057 - 2⁶ = 3681965993 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 123544 + ... + 150422.

It is an arithmetic number, because the mean of its divisors is an integer number (191600640).

Almost surely, 2^3681966057 is an apocalyptic number.

It is an amenable number.

3681966057 is a deficient number, since it is larger than the sum of its proper divisors (2449254423).

3681966057 is a wasteful number, since it uses less digits than its factorization.

3681966057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27493.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 3681966057 is about 60679.2061335677. The cubic root of 3681966057 is about 1544.1634201160.

The spelling of 3681966057 in words is "three billion, six hundred eighty-one million, nine hundred sixty-six thousand, fifty-seven".