90065555016 has 32 divisors (see below), whose sum is σ = 225976770240. Its totient is φ = 29913467328.

The previous prime is 90065555003. The next prime is 90065555017. The reversal of 90065555016 is 61055556009.

It is a super-4 number, since 4×90065555016⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (90065555017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6767236 + ... + 6780531.

It is an arithmetic number, because the mean of its divisors is an integer number (7061774070).

Almost surely, 2^90065555016 is an apocalyptic number.

It is an amenable number.

90065555016 is an abundant number, since it is smaller than the sum of its proper divisors (135911215224).

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

90065555016 is a wasteful number, since it uses less digits than its factorization.

90065555016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13548053 (or 13548049 counting only the distinct ones).

The product of its (nonzero) digits is 202500, while the sum is 42.

The spelling of 90065555016 in words is "ninety billion, sixty-five million, five hundred fifty-five thousand, sixteen".