6181408197 has 12 divisors (see below), whose sum is σ = 9136345504. Its totient is φ = 4025102760.

The previous prime is 6181408157. The next prime is 6181408223. The reversal of 6181408197 is 7918041816.

It is a happy number.

6181408197 is a `hidden beast` number, since 618 + 14 + 0 + 8 + 19 + 7 = 666.

6181408197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6181408197 - 2⁶ = 6181408133 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 (6181408117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7985929 + ... + 7986702.

Almost surely, 2^6181408197 is an apocalyptic number.

It is an amenable number.

6181408197 is a deficient number, since it is larger than the sum of its proper divisors (2954937307).

6181408197 is a wasteful number, since it uses less digits than its factorization.

6181408197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15972680 (or 15972677 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 6181408197 is about 78621.9320355332. The cubic root of 6181408197 is about 1835.2524305324.

The spelling of 6181408197 in words is "six billion, one hundred eighty-one million, four hundred eight thousand, one hundred ninety-seven".