1165216248 has 96 divisors (see below), whose sum is σ = 3763468800. Its totient is φ = 318441024.

The previous prime is 1165216231. The next prime is 1165216253. The reversal of 1165216248 is 8426125611.

It is a happy number.

1165216248 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 21 + 624 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38668 + ... + 61851.

It is an arithmetic number, because the mean of its divisors is an integer number (39202800).

Almost surely, 2^1165216248 is an apocalyptic number.

1165216248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1165216248 is an abundant number, since it is smaller than the sum of its proper divisors (2598252552).

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

1165216248 is a wasteful number, since it uses less digits than its factorization.

1165216248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100561 (or 100554 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 1165216248 is about 34135.2639948778. The cubic root of 1165216248 is about 1052.2901631804.

The spelling of 1165216248 in words is "one billion, one hundred sixty-five million, two hundred sixteen thousand, two hundred forty-eight".