1165663332 has 48 divisors (see below), whose sum is σ = 3031833280. Its totient is φ = 387301824.

The previous prime is 1165663237. The next prime is 1165663363. The reversal of 1165663332 is 2333665611.

1165663332 is a `hidden beast` number, since 1 + 16 + 5 + 6 + 633 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16563 + ... + 51045.

Almost surely, 2^1165663332 is an apocalyptic number.

1165663332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1165663332 is an abundant number, since it is smaller than the sum of its proper divisors (1866169948).

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

1165663332 is a wasteful number, since it uses less digits than its factorization.

1165663332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34809 (or 34801 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 1165663332 is about 34141.8120784472. The cubic root of 1165663332 is about 1052.4247310308.

The spelling of 1165663332 in words is "one billion, one hundred sixty-five million, six hundred sixty-three thousand, three hundred thirty-two".