165793056 has 144 divisors (see below), whose sum is σ = 514654560. Its totient is φ = 46325760.

The previous prime is 165793037. The next prime is 165793057. The reversal of 165793056 is 650397561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 165792999 and 165793017.

It is not an unprimeable number, because it can be changed into a prime (165793057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178000 + ... + 178928.

It is an arithmetic number, because the mean of its divisors is an integer number (3573990).

Almost surely, 2^165793056 is an apocalyptic number.

165793056 is a gapful number since it is divisible by the number (16) 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 165793056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257327280).

165793056 is an abundant number, since it is smaller than the sum of its proper divisors (348861504).

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

165793056 is a wasteful number, since it uses less digits than its factorization.

165793056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 165793056 is about 12876.0652374862. The cubic root of 165793056 is about 549.3579902737.

The spelling of 165793056 in words is "one hundred sixty-five million, seven hundred ninety-three thousand, fifty-six".