1165906196 has 72 divisors (see below), whose sum is σ = 2690664480. Its totient is φ = 436943808.

The previous prime is 1165906193. The next prime is 1165906199. The reversal of 1165906196 is 6916095611.

It is an interprime number because it is at equal distance from previous prime (1165906193) and next prime (1165906199).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165906193) 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, 36371 + ... + 60453.

It is an arithmetic number, because the mean of its divisors is an integer number (37370340).

Almost surely, 2^1165906196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165906196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345332240).

1165906196 is an abundant number, since it is smaller than the sum of its proper divisors (1524758284).

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

1165906196 is a wasteful number, since it uses less digits than its factorization.

1165906196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24133 (or 24124 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 1165906196 is about 34145.3685878480. The cubic root of 1165906196 is about 1052.4978162645.

The spelling of 1165906196 in words is "one billion, one hundred sixty-five million, nine hundred six thousand, one hundred ninety-six".