162452220 has 192 divisors, whose sum is σ = 552738816. Its totient is φ = 34848000.

The previous prime is 162452179. The next prime is 162452231. The reversal of 162452220 is 22254261.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 647095 + ... + 647345.

It is an arithmetic number, because the mean of its divisors is an integer number (2878848).

Almost surely, 2^162452220 is an apocalyptic number.

162452220 is a gapful number since it is divisible by the number (10) 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 162452220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276369408).

162452220 is an abundant number, since it is smaller than the sum of its proper divisors (390286596).

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

162452220 is a wasteful number, since it uses less digits than its factorization.

162452220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 162452220 is about 12745.6745604146. The cubic root of 162452220 is about 545.6429524396.

The spelling of 162452220 in words is "one hundred sixty-two million, four hundred fifty-two thousand, two hundred twenty".