1165536442 has 12 divisors (see below), whose sum is σ = 2033742330. Its totient is φ = 499515576.

The previous prime is 1165536413. The next prime is 1165536461. The reversal of 1165536442 is 2446355611.

It can be written as a sum of positive squares in only one way, i.e., 904746241 + 260790201 = 30079^2 + 16149^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5946517 + ... + 5946712.

Almost surely, 2^1165536442 is an apocalyptic number.

1165536442 is a deficient number, since it is larger than the sum of its proper divisors (868205888).

1165536442 is a wasteful number, since it uses less digits than its factorization.

1165536442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11893245 (or 11893238 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 1165536442 is about 34139.9537492364. The cubic root of 1165536442 is about 1052.3865418967.

The spelling of 1165536442 in words is "one billion, one hundred sixty-five million, five hundred thirty-six thousand, four hundred forty-two".