1165016650 has 48 divisors (see below), whose sum is σ = 2527070400. Its totient is φ = 399428400.

The previous prime is 1165016641. The next prime is 1165016651. The reversal of 1165016650 is 566105611.

It is not an unprimeable number, because it can be changed into a prime (1165016651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16816 + ... + 51115.

It is an arithmetic number, because the mean of its divisors is an integer number (52647300).

Almost surely, 2^1165016650 is an apocalyptic number.

1165016650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1165016650 is an abundant number, since it is smaller than the sum of its proper divisors (1362053750).

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

1165016650 is an equidigital number, since it uses as much as digits as its factorization.

1165016650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67964 (or 67945 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1165016650 is about 34132.3402362041. The cubic root of 1165016650 is about 1052.2300750476.

The spelling of 1165016650 in words is "one billion, one hundred sixty-five million, sixteen thousand, six hundred fifty".