165856350 has 48 divisors (see below), whose sum is σ = 448721280. Its totient is φ = 40207200.

The previous prime is 165856343. The next prime is 165856367. The reversal of 165856350 is 53658561.

165856350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 165856299 and 165856308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48610 + ... + 51909.

It is an arithmetic number, because the mean of its divisors is an integer number (9348360).

Almost surely, 2^165856350 is an apocalyptic number.

165856350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165856350 is an abundant number, since it is smaller than the sum of its proper divisors (282864930).

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

165856350 is a wasteful number, since it uses less digits than its factorization.

165856350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100545 (or 100540 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 165856350 is about 12878.5228190193. The cubic root of 165856350 is about 549.4278899459.

The spelling of 165856350 in words is "one hundred sixty-five million, eight hundred fifty-six thousand, three hundred fifty".