1165386197 has 8 divisors (see below), whose sum is σ = 1190785536. Its totient is φ = 1140012112.

The previous prime is 1165386191. The next prime is 1165386217. The reversal of 1165386197 is 7916835611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1165386197 - 2³⁰ = 91644373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165386191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109943 + ... + 120075.

It is an arithmetic number, because the mean of its divisors is an integer number (148848192).

Almost surely, 2^1165386197 is an apocalyptic number.

It is an amenable number.

1165386197 is a deficient number, since it is larger than the sum of its proper divisors (25399339).

1165386197 is a wasteful number, since it uses less digits than its factorization.

1165386197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12627.

The product of its digits is 272160, while the sum is 47.

The square root of 1165386197 is about 34137.7532506168. The cubic root of 1165386197 is about 1052.3413201988.

The spelling of 1165386197 in words is "one billion, one hundred sixty-five million, three hundred eighty-six thousand, one hundred ninety-seven".