116065664 has 128 divisors (see below), whose sum is σ = 288398880. Its totient is φ = 45711360.

The previous prime is 116065639. The next prime is 116065667. The reversal of 116065664 is 466560611.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116065667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310982 + ... + 311354.

Almost surely, 2^116065664 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 116065664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144199440).

116065664 is an abundant number, since it is smaller than the sum of its proper divisors (172333216).

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

116065664 is a wasteful number, since it uses less digits than its factorization.

116065664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 116065664 is about 10773.3775576650. The cubic root of 116065664 is about 487.7919026741.

The spelling of 116065664 in words is "one hundred sixteen million, sixty-five thousand, six hundred sixty-four".