1165752828 has 72 divisors (see below), whose sum is σ = 3109426320. Its totient is φ = 367234560.

The previous prime is 1165752787. The next prime is 1165752839. The reversal of 1165752828 is 8282575611.

1165752828 is a `hidden beast` number, since 116 + 5 + 7 + 528 + 2 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313476 + ... + 317172.

Almost surely, 2^1165752828 is an apocalyptic number.

1165752828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165752828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1554713160).

1165752828 is an abundant number, since it is smaller than the sum of its proper divisors (1943673492).

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

1165752828 is a wasteful number, since it uses less digits than its factorization.

1165752828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187 (or 4182 counting only the distinct ones).

The product of its digits is 268800, while the sum is 45.

The square root of 1165752828 is about 34143.1227042870. The cubic root of 1165752828 is about 1052.4516643058.

The spelling of 1165752828 in words is "one billion, one hundred sixty-five million, seven hundred fifty-two thousand, eight hundred twenty-eight".