165671088 has 80 divisors (see below), whose sum is σ = 477814656. Its totient is φ = 49029120.

The previous prime is 165671087. The next prime is 165671117. The reversal of 165671088 is 880176561.

It is not an unprimeable number, because it can be changed into a prime (165671087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19056 + ... + 26352.

Almost surely, 2^165671088 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 165671088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238907328).

165671088 is an abundant number, since it is smaller than the sum of its proper divisors (312143568).

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

165671088 is a wasteful number, since it uses less digits than its factorization.

165671088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7362 (or 7356 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 165671088 is about 12871.3281365988. The cubic root of 165671088 is about 549.2232429075.

The spelling of 165671088 in words is "one hundred sixty-five million, six hundred seventy-one thousand, eighty-eight".