165616152 has 64 divisors (see below), whose sum is σ = 447158880. Its totient is φ = 50813952.

The previous prime is 165616147. The next prime is 165616163. The reversal of 165616152 is 251616561.

165616152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 173308 + ... + 174260.

Almost surely, 2^165616152 is an apocalyptic number.

165616152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165616152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223579440).

165616152 is an abundant number, since it is smaller than the sum of its proper divisors (281542728).

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

165616152 is a wasteful number, since it uses less digits than its factorization.

165616152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 1528 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 165616152 is about 12869.1939141502. The cubic root of 165616152 is about 549.1625293092.

The spelling of 165616152 in words is "one hundred sixty-five million, six hundred sixteen thousand, one hundred fifty-two".