1085169185 has 8 divisors (see below), whose sum is σ = 1321639296. Its totient is φ = 855177840.

The previous prime is 1085169121. The next prime is 1085169193. The reversal of 1085169185 is 5819615801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1085169185 - 2⁶ = 1085169121 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1619321 + ... + 1619990.

It is an arithmetic number, because the mean of its divisors is an integer number (165204912).

Almost surely, 2^1085169185 is an apocalyptic number.

It is an amenable number.

1085169185 is a deficient number, since it is larger than the sum of its proper divisors (236470111).

1085169185 is an equidigital number, since it uses as much as digits as its factorization.

1085169185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239383.

The product of its (nonzero) digits is 86400, while the sum is 44.

The square root of 1085169185 is about 32941.9062138183. The cubic root of 1085169185 is about 1027.6198489541.

The spelling of 1085169185 in words is "one billion, eighty-five million, one hundred sixty-nine thousand, one hundred eighty-five".