606161220 has 96 divisors (see below), whose sum is σ = 1987082496. Its totient is φ = 135168000.

The previous prime is 606161207. The next prime is 606161243. The reversal of 606161220 is 22161606.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381 + ... + 34820.

It is an arithmetic number, because the mean of its divisors is an integer number (20698776).

Almost surely, 2^606161220 is an apocalyptic number.

606161220 is a gapful number since it is divisible by the number (60) 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 606161220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993541248).

606161220 is an abundant number, since it is smaller than the sum of its proper divisors (1380921276).

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

606161220 is a wasteful number, since it uses less digits than its factorization.

606161220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35261 (or 35259 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 606161220 is about 24620.3415898318. The cubic root of 606161220 is about 846.3098250999.

The spelling of 606161220 in words is "six hundred six million, one hundred sixty-one thousand, two hundred twenty".