165153216 has 56 divisors (see below), whose sum is σ = 441106560. Its totient is φ = 54529792.

The previous prime is 165153211. The next prime is 165153221. The reversal of 165153216 is 612351561.

It is an interprime number because it is at equal distance from previous prime (165153211) and next prime (165153221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165153211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16525 + ... + 24563.

Almost surely, 2^165153216 is an apocalyptic number.

165153216 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 165153216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220553280).

165153216 is an abundant number, since it is smaller than the sum of its proper divisors (275953344).

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

165153216 is a wasteful number, since it uses less digits than its factorization.

165153216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8161 (or 8151 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 165153216 is about 12851.1951195210. The cubic root of 165153216 is about 548.6503724434.

The spelling of 165153216 in words is "one hundred sixty-five million, one hundred fifty-three thousand, two hundred sixteen".