9159181817064 has 32 divisors (see below), whose sum is σ = 22899468165120. Its totient is φ = 3052858789376.

The previous prime is 9159181817057. The next prime is 9159181817077. The reversal of 9159181817064 is 4607181819519.

It is a super-2 number, since 2×9159181817064² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9159181816989 and 9159181817007.

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 7 ways as a sum of consecutive naturals, for example, 12242664 + ... + 12969239.

It is an arithmetic number, because the mean of its divisors is an integer number (715608380160).

Almost surely, 2^{9159181817064} is an apocalyptic number.

It is an amenable number.

9159181817064 is an abundant number, since it is smaller than the sum of its proper divisors (13740286348056).

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

9159181817064 is a wasteful number, since it uses less digits than its factorization.

9159181817064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25227049 (or 25227045 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 60.

The spelling of 9159181817064 in words is "nine trillion, one hundred fifty-nine billion, one hundred eighty-one million, eight hundred seventeen thousand, sixty-four".