1165116664 has 32 divisors (see below), whose sum is σ = 2213114400. Its totient is φ = 574986240.

The previous prime is 1165116661. The next prime is 1165116683. The reversal of 1165116664 is 4666115611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165116661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315549 + ... + 319219.

It is an arithmetic number, because the mean of its divisors is an integer number (69159825).

Almost surely, 2^1165116664 is an apocalyptic number.

It is an amenable number.

1165116664 is a deficient number, since it is larger than the sum of its proper divisors (1047997736).

1165116664 is a wasteful number, since it uses less digits than its factorization.

1165116664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183 (or 4179 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 1165116664 is about 34133.8052962162. The cubic root of 1165116664 is about 1052.2601846967.

The spelling of 1165116664 in words is "one billion, one hundred sixty-five million, one hundred sixteen thousand, six hundred sixty-four".