90565855694668 has 24 divisors (see below), whose sum is σ = 158545228307760. Its totient is φ = 45267220043520.

The previous prime is 90565855694581. The next prime is 90565855694711. The reversal of 90565855694668 is 86649655856509.

It is a junction number, because it is equal to n+sod(n) for n = 90565855694591 and 90565855694600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418769083 + ... + 418985293.

It is an arithmetic number, because the mean of its divisors is an integer number (6606051179490).

Almost surely, 2^{90565855694668} is an apocalyptic number.

It is an amenable number.

90565855694668 is a deficient number, since it is larger than the sum of its proper divisors (67979372613092).

90565855694668 is a wasteful number, since it uses less digits than its factorization.

90565855694668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252057 (or 252055 counting only the distinct ones).

The product of its (nonzero) digits is 16796160000, while the sum is 82.

The spelling of 90565855694668 in words is "ninety trillion, five hundred sixty-five billion, eight hundred fifty-five million, six hundred ninety-four thousand, six hundred sixty-eight".