1161044946 has 24 divisors (see below), whose sum is σ = 2524689804. Its totient is φ = 385616160.

The previous prime is 1161044939. The next prime is 1161044947. The reversal of 1161044946 is 6494401611.

1161044946 is a `hidden beast` number, since 1 + 161 + 0 + 4 + 494 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1086032025 + 75012921 = 32955^2 + 8661^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1161044946.

It is not an unprimeable number, because it can be changed into a prime (1161044947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111445 + ... + 121416.

Almost surely, 2^1161044946 is an apocalyptic number.

1161044946 is an abundant number, since it is smaller than the sum of its proper divisors (1363644858).

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

1161044946 is a wasteful number, since it uses less digits than its factorization.

1161044946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233146 (or 233143 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1161044946 is about 34074.1096141924. The cubic root of 1161044946 is about 1051.0329807084.

The spelling of 1161044946 in words is "one billion, one hundred sixty-one million, forty-four thousand, nine hundred forty-six".