1165964424 has 64 divisors (see below), whose sum is σ = 2999677440. Its totient is φ = 377395200.

The previous prime is 1165964419. The next prime is 1165964447. The reversal of 1165964424 is 4244695611.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596649 + ... + 598599.

It is an arithmetic number, because the mean of its divisors is an integer number (46869960).

Almost surely, 2^1165964424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165964424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499838720).

1165964424 is an abundant number, since it is smaller than the sum of its proper divisors (1833713016).

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

1165964424 is a wasteful number, since it uses less digits than its factorization.

1165964424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670 (or 2666 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 1165964424 is about 34146.2212257813. The cubic root of 1165964424 is about 1052.5153373489.

The spelling of 1165964424 in words is "one billion, one hundred sixty-five million, nine hundred sixty-four thousand, four hundred twenty-four".