1165532010 has 128 divisors (see below), whose sum is σ = 3076496640. Its totient is φ = 281548800.

The previous prime is 1165531981. The next prime is 1165532033. The reversal of 1165532010 is 102355611.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1238140 + ... + 1239080.

It is an arithmetic number, because the mean of its divisors is an integer number (24035130).

Almost surely, 2^1165532010 is an apocalyptic number.

1165532010 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 1165532010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538248320).

1165532010 is an abundant number, since it is smaller than the sum of its proper divisors (1910964630).

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

1165532010 is a wasteful number, since it uses less digits than its factorization.

1165532010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1165532010 is about 34139.8888398893. Note that the first 4 decimals coincide. The cubic root of 1165532010 is about 1052.3852079807.

Adding to 1165532010 its reverse (102355611), we get a palindrome (1267887621).

The spelling of 1165532010 in words is "one billion, one hundred sixty-five million, five hundred thirty-two thousand, ten".