9164545290 has 36 divisors (see below), whose sum is σ = 23830179282. Its totient is φ = 2443636560.

The previous prime is 9164545261. The next prime is 9164545301. The reversal of 9164545290 is 925454619.

9164545290 is a `hidden beast` number, since 9 + 16 + 4 + 545 + 2 + 90 = 666.

9164545290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8248090761 + 916454529 = 90819^2 + 30273^2 .

It is a super-2 number, since 2×9164545290² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 903145 + ... + 913235.

Almost surely, 2^9164545290 is an apocalyptic number.

9164545290 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9164545290 is an abundant number, since it is smaller than the sum of its proper divisors (14665633992).

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

9164545290 is an equidigital number, since it uses as much as digits as its factorization.

9164545290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20195 (or 10101 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 9164545290 is about 95731.6316062773. The cubic root of 9164545290 is about 2092.6839361612.

The spelling of 9164545290 in words is "nine billion, one hundred sixty-four million, five hundred forty-five thousand, two hundred ninety".