1165562436 has 12 divisors (see below), whose sum is σ = 2719645712. Its totient is φ = 388520808.

The previous prime is 1165562407. The next prime is 1165562477. The reversal of 1165562436 is 6342655611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1165562394 and 1165562403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48565090 + ... + 48565113.

Almost surely, 2^1165562436 is an apocalyptic number.

It is an amenable number.

1165562436 is an abundant number, since it is smaller than the sum of its proper divisors (1554083276).

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

1165562436 is a wasteful number, since it uses less digits than its factorization.

1165562436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97130210 (or 97130208 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 1165562436 is about 34140.3344447590. The cubic root of 1165562436 is about 1052.3943653421.

The spelling of 1165562436 in words is "one billion, one hundred sixty-five million, five hundred sixty-two thousand, four hundred thirty-six".