9161619244 has 12 divisors (see below), whose sum is σ = 16033742368. Its totient is φ = 4580550000.

The previous prime is 9161619227. The next prime is 9161619293. The reversal of 9161619244 is 4429161619.

It is a super-2 number, since 2×9161619244² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9161619244.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29869 + ... + 138619.

Almost surely, 2^9161619244 is an apocalyptic number.

It is an amenable number.

9161619244 is a deficient number, since it is larger than the sum of its proper divisors (6872123124).

9161619244 is a wasteful number, since it uses less digits than its factorization.

9161619244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129816 (or 129814 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 9161619244 is about 95716.3478408992. The cubic root of 9161619244 is about 2092.4611958411.

The spelling of 9161619244 in words is "nine billion, one hundred sixty-one million, six hundred nineteen thousand, two hundred forty-four".