1165635416 has 16 divisors (see below), whose sum is σ = 2384254440. Its totient is φ = 529834240.

The previous prime is 1165635409. The next prime is 1165635439. The reversal of 1165635416 is 6145365611.

It is a self number, because there is not a number n which added to its sum of digits gives 1165635416.

It is a congruent number.

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, 6622841 + ... + 6623016.

Almost surely, 2^1165635416 is an apocalyptic number.

It is an amenable number.

1165635416 is an abundant number, since it is smaller than the sum of its proper divisors (1218619024).

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

1165635416 is a wasteful number, since it uses less digits than its factorization.

1165635416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13245874 (or 13245870 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 1165635416 is about 34141.4032517704. The cubic root of 1165635416 is about 1052.4163295989.

The spelling of 1165635416 in words is "one billion, one hundred sixty-five million, six hundred thirty-five thousand, four hundred sixteen".