1089669170 has 16 divisors (see below), whose sum is σ = 1978764120. Its totient is φ = 432009984.

The previous prime is 1089669167. The next prime is 1089669187. The reversal of 1089669170 is 719669801.

It can be written as a sum of positive squares in 4 ways, for example, as 788542561 + 301126609 = 28081^2 + 17353^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481025 + ... + 483284.

Almost surely, 2^1089669170 is an apocalyptic number.

1089669170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089669170 is a deficient number, since it is larger than the sum of its proper divisors (889094950).

1089669170 is a wasteful number, since it uses less digits than its factorization.

1089669170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964429.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 1089669170 is about 33010.1373823254. The cubic root of 1089669170 is about 1029.0383364021.

The spelling of 1089669170 in words is "one billion, eighty-nine million, six hundred sixty-nine thousand, one hundred seventy".