165483220 has 24 divisors (see below), whose sum is σ = 397160064. Its totient is φ = 56737056.

The previous prime is 165483187. The next prime is 165483247. The reversal of 165483220 is 22384561.

165483220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×165483220² = 54769392203136800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590872 + ... + 591151.

It is an arithmetic number, because the mean of its divisors is an integer number (16548336).

Almost surely, 2^165483220 is an apocalyptic number.

165483220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165483220 is an abundant number, since it is smaller than the sum of its proper divisors (231676844).

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

165483220 is a wasteful number, since it uses less digits than its factorization.

165483220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182039 (or 1182037 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 165483220 is about 12864.0281405165. The cubic root of 165483220 is about 549.0155613299.

The spelling of 165483220 in words is "one hundred sixty-five million, four hundred eighty-three thousand, two hundred twenty".