162612220 has 12 divisors (see below), whose sum is σ = 341485704. Its totient is φ = 65044880.

The previous prime is 162612217. The next prime is 162612221. The reversal of 162612220 is 22216261.

It is a junction number, because it is equal to n+sod(n) for n = 162612191 and 162612200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162612221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4065286 + ... + 4065325.

It is an arithmetic number, because the mean of its divisors is an integer number (28457142).

Almost surely, 2^162612220 is an apocalyptic number.

162612220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162612220 is an abundant number, since it is smaller than the sum of its proper divisors (178873484).

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

162612220 is a wasteful number, since it uses less digits than its factorization.

162612220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130620 (or 8130618 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 162612220 is about 12751.9496548567. The cubic root of 162612220 is about 545.8220291478.

Adding to 162612220 its reverse (22216261), we get a palindrome (184828481).

It can be divided in two parts, 16261 and 2220, that added together give a palindrome (18481).

The spelling of 162612220 in words is "one hundred sixty-two million, six hundred twelve thousand, two hundred twenty".