3781967163 has 32 divisors (see below), whose sum is σ = 5576933376. Its totient is φ = 2265314688.

The previous prime is 3781967159. The next prime is 3781967197. The reversal of 3781967163 is 3617691873.

It is not a de Polignac number, because 3781967163 - 2² = 3781967159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3781967143) 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, 255306 + ... + 269712.

It is an arithmetic number, because the mean of its divisors is an integer number (174279168).

Almost surely, 2^3781967163 is an apocalyptic number.

3781967163 is a deficient number, since it is larger than the sum of its proper divisors (1794966213).

3781967163 is a wasteful number, since it uses less digits than its factorization.

3781967163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14603.

The product of its digits is 1143072, while the sum is 51.

The square root of 3781967163 is about 61497.7004692045. The cubic root of 3781967163 is about 1558.0184080915.

The spelling of 3781967163 in words is "three billion, seven hundred eighty-one million, nine hundred sixty-seven thousand, one hundred sixty-three".