9109861146 has 48 divisors (see below), whose sum is σ = 20119936200. Its totient is φ = 2978156160.

The previous prime is 9109861133. The next prime is 9109861237. The reversal of 9109861146 is 6411689019.

It can be written as a sum of positive squares in 4 ways, for example, as 5232930921 + 3876930225 = 72339^2 + 62265^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371316 + ... + 395088.

Almost surely, 2^9109861146 is an apocalyptic number.

9109861146 is an abundant number, since it is smaller than the sum of its proper divisors (11010075054).

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

9109861146 is a wasteful number, since it uses less digits than its factorization.

9109861146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24191 (or 24188 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 9109861146 is about 95445.5925959916. The cubic root of 9109861146 is about 2088.5133346685.

The spelling of 9109861146 in words is "nine billion, one hundred nine million, eight hundred sixty-one thousand, one hundred forty-six".