165616704 has 112 divisors (see below), whose sum is σ = 531205440. Its totient is φ = 50181120.

The previous prime is 165616691. The next prime is 165616727. The reversal of 165616704 is 407616561.

165616704 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14652 + ... + 23364.

Almost surely, 2^165616704 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 165616704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265602720).

165616704 is an abundant number, since it is smaller than the sum of its proper divisors (365588736).

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

165616704 is a wasteful number, since it uses less digits than its factorization.

165616704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8745 (or 8729 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 165616704 is about 12869.2153606970. The cubic root of 165616704 is about 549.1631394296.

The spelling of 165616704 in words is "one hundred sixty-five million, six hundred sixteen thousand, seven hundred four".