165927944 has 64 divisors (see below), whose sum is σ = 384652800. Its totient is φ = 65343744.

The previous prime is 165927919. The next prime is 165927947. The reversal of 165927944 is 449729561.

It is not an unprimeable number, because it can be changed into a prime (165927947) by changing a digit.

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, 230417 + ... + 231135.

It is an arithmetic number, because the mean of its divisors is an integer number (6010200).

Almost surely, 2^165927944 is an apocalyptic number.

165927944 is a gapful number since it is divisible by the number (14) 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 165927944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192326400).

165927944 is an abundant number, since it is smaller than the sum of its proper divisors (218724856).

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

165927944 is a wasteful number, since it uses less digits than its factorization.

165927944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1058 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 165927944 is about 12881.3021080945. The cubic root of 165927944 is about 549.5069344158.

The spelling of 165927944 in words is "one hundred sixty-five million, nine hundred twenty-seven thousand, nine hundred forty-four".