1165495198 has 16 divisors (see below), whose sum is σ = 1998922464. Its totient is φ = 499265280.

The previous prime is 1165495193. The next prime is 1165495223. The reversal of 1165495198 is 8915945611.

It is a happy number.

It is a super-2 number, since 2×1165495198² = 2716758113122118408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165495193) 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, 13686 + ... + 50182.

It is an arithmetic number, because the mean of its divisors is an integer number (124932654).

Almost surely, 2^1165495198 is an apocalyptic number.

1165495198 is a deficient number, since it is larger than the sum of its proper divisors (833427266).

1165495198 is a wasteful number, since it uses less digits than its factorization.

1165495198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38787.

The product of its digits is 388800, while the sum is 49.

The square root of 1165495198 is about 34139.3497008950. The cubic root of 1165495198 is about 1052.3741284016.

The spelling of 1165495198 in words is "one billion, one hundred sixty-five million, four hundred ninety-five thousand, one hundred ninety-eight".