90690205096 has 16 divisors (see below), whose sum is σ = 171797168340. Its totient is φ = 44877626880.

The previous prime is 90690205049. The next prime is 90690205103. The reversal of 90690205096 is 69050209609.

It can be written as a sum of positive squares in 2 ways, for example, as 89708636196 + 981568900 = 299514^2 + 31330^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58433635 + ... + 58435186.

Almost surely, 2^90690205096 is an apocalyptic number.

It is an amenable number.

90690205096 is a deficient number, since it is larger than the sum of its proper divisors (81106963244).

90690205096 is a wasteful number, since it uses less digits than its factorization.

90690205096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116868924 (or 116868920 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 90690205096 in words is "ninety billion, six hundred ninety million, two hundred five thousand, ninety-six".