1085590660 has 48 divisors (see below), whose sum is σ = 2842277760. Its totient is φ = 338365440.

The previous prime is 1085590651. The next prime is 1085590663. The reversal of 1085590660 is 660955801.

It is not an unprimeable number, because it can be changed into a prime (1085590663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 350925 + ... + 354004.

It is an arithmetic number, because the mean of its divisors is an integer number (59214120).

Almost surely, 2^1085590660 is an apocalyptic number.

1085590660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1085590660 is an abundant number, since it is smaller than the sum of its proper divisors (1756687100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1085590660 is a wasteful number, since it uses less digits than its factorization.

1085590660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704956 (or 704954 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 1085590660 is about 32948.3028394483. The cubic root of 1085590660 is about 1027.7528727628.

The spelling of 1085590660 in words is "one billion, eighty-five million, five hundred ninety thousand, six hundred sixty".