1085523663 has 16 divisors (see below), whose sum is σ = 1726050816. Its totient is φ = 593329440.

The previous prime is 1085523653. The next prime is 1085523671. The reversal of 1085523663 is 3663255801.

It is not a de Polignac number, because 1085523663 - 2⁵ = 1085523631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085523613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123248 + ... + 1124213.

It is an arithmetic number, because the mean of its divisors is an integer number (107878176).

Almost surely, 2^1085523663 is an apocalyptic number.

1085523663 is a deficient number, since it is larger than the sum of its proper divisors (640527153).

1085523663 is a wasteful number, since it uses less digits than its factorization.

1085523663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247494.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 1085523663 is about 32947.2861249603. The cubic root of 1085523663 is about 1027.7317298102.

The spelling of 1085523663 in words is "one billion, eighty-five million, five hundred twenty-three thousand, six hundred sixty-three".