1147580161 has 16 divisors (see below), whose sum is σ = 1429432704. Its totient is φ = 897030144.

The previous prime is 1147580111. The next prime is 1147580167. The reversal of 1147580161 is 1610857411.

It is a cyclic number.

It is not a de Polignac number, because 1147580161 - 2⁷ = 1147580033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1147580167) 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 15 ways as a sum of consecutive naturals, for example, 68416 + ... + 83521.

It is an arithmetic number, because the mean of its divisors is an integer number (89339544).

Almost surely, 2^1147580161 is an apocalyptic number.

It is an amenable number.

1147580161 is a deficient number, since it is larger than the sum of its proper divisors (281852543).

1147580161 is a wasteful number, since it uses less digits than its factorization.

1147580161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152040.

The product of its (nonzero) digits is 6720, while the sum is 34.

The square root of 1147580161 is about 33875.9525474930. The cubic root of 1147580161 is about 1046.9541849553.

The spelling of 1147580161 in words is "one billion, one hundred forty-seven million, five hundred eighty thousand, one hundred sixty-one".