1165352370 has 256 divisors, whose sum is σ = 3603640320. Its totient is φ = 234648576.

The previous prime is 1165352359. The next prime is 1165352371. The reversal of 1165352370 is 732535611.

It is a super-2 number, since 2×1165352370² = 2716092292529233800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1165352371) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8383761 + ... + 8383899.

It is an arithmetic number, because the mean of its divisors is an integer number (14076720).

Almost surely, 2^1165352370 is an apocalyptic number.

1165352370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165352370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1801820160).

1165352370 is an abundant number, since it is smaller than the sum of its proper divisors (2438287950).

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

1165352370 is a wasteful number, since it uses less digits than its factorization.

1165352370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 1165352370 is about 34137.2577984817. The cubic root of 1165352370 is about 1052.3311381967.

Adding to 1165352370 its reverse (732535611), we get a palindrome (1897887981).

The spelling of 1165352370 in words is "one billion, one hundred sixty-five million, three hundred fifty-two thousand, three hundred seventy".