6161647916 has 24 divisors (see below), whose sum is σ = 11134126080. Its totient is φ = 2980530000.

The previous prime is 6161647913. The next prime is 6161647927. The reversal of 6161647916 is 6197461616.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6161647913) 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, 583895 + ... + 594353.

It is an arithmetic number, because the mean of its divisors is an integer number (463921920).

Almost surely, 2^6161647916 is an apocalyptic number.

It is an amenable number.

6161647916 is a deficient number, since it is larger than the sum of its proper divisors (4972478164).

6161647916 is a wasteful number, since it uses less digits than its factorization.

6161647916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15245 (or 15243 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 6161647916 is about 78496.1649763859. The cubic root of 6161647916 is about 1833.2947420049.

The spelling of 6161647916 in words is "six billion, one hundred sixty-one million, six hundred forty-seven thousand, nine hundred sixteen".