9158320805697 has 24 divisors (see below), whose sum is σ = 15118596614784. Its totient is φ = 5233291982784.

The previous prime is 9158320805663. The next prime is 9158320805713. The reversal of 9158320805697 is 7965080238519.

It is not a de Polignac number, because 9158320805697 - 2¹⁰ = 9158320804673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (9158320807697) 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, 11703333 + ... + 12461325.

It is an arithmetic number, because the mean of its divisors is an integer number (629941525616).

Almost surely, 2^{9158320805697} is an apocalyptic number.

It is an amenable number.

9158320805697 is a deficient number, since it is larger than the sum of its proper divisors (5960275809087).

9158320805697 is a wasteful number, since it uses less digits than its factorization.

9158320805697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949789 (or 949786 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 9158320805697 in words is "nine trillion, one hundred fifty-eight billion, three hundred twenty million, eight hundred five thousand, six hundred ninety-seven".