9090804165 has 24 divisors (see below), whose sum is σ = 15205199520. Its totient is φ = 4637623584.

The previous prime is 9090804137. The next prime is 9090804169. The reversal of 9090804165 is 5614080909.

It is not a de Polignac number, because 9090804165 - 2⁶ = 9090804101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9090804169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 564895 + ... + 580764.

It is an arithmetic number, because the mean of its divisors is an integer number (633549980).

Almost surely, 2^9090804165 is an apocalyptic number.

It is an amenable number.

9090804165 is a deficient number, since it is larger than the sum of its proper divisors (6114395355).

9090804165 is a wasteful number, since it uses less digits than its factorization.

9090804165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145713 (or 1145690 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 9090804165 is about 95345.7086868623. The cubic root of 9090804165 is about 2087.0559928657.

The spelling of 9090804165 in words is "nine billion, ninety million, eight hundred four thousand, one hundred sixty-five".