1089009166 has 16 divisors (see below), whose sum is σ = 1868582880. Its totient is φ = 466290720.

The previous prime is 1089009151. The next prime is 1089009209. The reversal of 1089009166 is 6619009801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19545 + ... + 50596.

It is an arithmetic number, because the mean of its divisors is an integer number (116786430).

Almost surely, 2^1089009166 is an apocalyptic number.

1089009166 is a deficient number, since it is larger than the sum of its proper divisors (779573714).

1089009166 is a wasteful number, since it uses less digits than its factorization.

1089009166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71259.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 1089009166 is about 33000.1388784956. The cubic root of 1089009166 is about 1028.8305343139.

The spelling of 1089009166 in words is "one billion, eighty-nine million, nine thousand, one hundred sixty-six".