1154488166 has 64 divisors (see below), whose sum is σ = 1975615488. Its totient is φ = 502443648.

The previous prime is 1154488133. The next prime is 1154488183. The reversal of 1154488166 is 6618844511.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6673256 + ... + 6673428.

It is an arithmetic number, because the mean of its divisors is an integer number (30868992).

Almost surely, 2^1154488166 is an apocalyptic number.

1154488166 is a deficient number, since it is larger than the sum of its proper divisors (821127322).

1154488166 is a wasteful number, since it uses less digits than its factorization.

1154488166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405.

The product of its digits is 184320, while the sum is 44.

The square root of 1154488166 is about 33977.7598731876. The cubic root of 1154488166 is about 1049.0507417742.

The spelling of 1154488166 in words is "one billion, one hundred fifty-four million, four hundred eighty-eight thousand, one hundred sixty-six".