8348961618 has 12 divisors (see below), whose sum is σ = 18089416878. Its totient is φ = 2782987200.

The previous prime is 8348961547. The next prime is 8348961671. The reversal of 8348961618 is 8161698438.

8348961618 is a `hidden beast` number, since 8 + 3 + 4 + 8 + 9 + 616 + 18 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4503349449 + 3845612169 = 67107^2 + 62013^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 231915583 + ... + 231915618.

Almost surely, 2^8348961618 is an apocalyptic number.

8348961618 is an abundant number, since it is smaller than the sum of its proper divisors (9740455260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8348961618 is a wasteful number, since it uses less digits than its factorization.

8348961618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463831209 (or 463831206 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 8348961618 is about 91372.6524623205. The cubic root of 8348961618 is about 2028.6672655183.

The spelling of 8348961618 in words is "eight billion, three hundred forty-eight million, nine hundred sixty-one thousand, six hundred eighteen".